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2019 Oooguruk-Torok Oil Pool
Annual Reservoir Surveillance Report Oooguruk-Torok Oil Pool (OTOP) Oooguruk Field May 15th, 2020 Eni Petroleum – Alaska Reservoir Table of Contents SUBJECT PAGE 1.0 Progress of the Enhanced Recovery Project................................................................ 1 2.0 Results and Analysis of Reservoir Pressure Surveys within the Pool ....................... 1 3.0 Results and Analysis of Production and Injection Log Surveys, Tracer Surveys, Observation Well Surveys and Any Other Special Monitoring.................................... 2 4.0 Review of Pool Production Allocation Factors and Issues Over the Year.................. 2 5.0 Reservoir Management Summary ................................................................................. 2 ATTACHMENT A: OTOP Well Location Map........................................................................ 4 ATTACHMENT B: 2019 OTOP Voidage Balance by Month.................................................. 5 ATTACHMENT C: December 2019 OTOP Reservoir Pressure Map..................................... 6 ATTACHMENT D: 2019 OTOP Form 10-412 Pressure Report ............................................. 7 ATTACHMENT E: OTOP Form 10-428 Annual Reservoir Properties Report ........................ 8 ATTACHMENT F: ODST-46 Pressure Monitoring and Daily Injection Volumes (AIO 37, Rule 9)....................................................................................... 9 Eni Petroleum, Alaska – Reservoir Page | 1 1.0 Progress of the Enhanced Recovery Project Eni US Operating Co. Inc. (Eni) acquired 100% working interest ownership of the producing assets within the Oooguruk Unit (OU) on January 31, 2019; the voluntary OU contraction was approved effective June 1, 2019 and Eni was designated the operator effective August 1, 2019 following resignation of Caelus Natural Resources Alaska, LLC (Caelus) as operator. The OU was contracted to exclude southern leases including the Nuna Torok Oil Pool acreage. None of the contracted area was producing oil or gas. The locations of the existing Oooguruk Torok Oil Pool (OTOP) wells, the current Oooguruk Unit (OU), and Oooguruk Torok Participating Area are shown in Attachment A. At the end of 2019 there were three active OTOP development wells, ODST-39, ODST- 45A and ODST-46i. A workover on ODST-39 to repair the 7” casing and to run a gas lift completion was completed on October 3, 2018; production from the well has been restored and sustained. ODST-45A production has been shut-in since September 22, 2018 due to repeated tubing hydrate blockages and a non-competitive total gas oil ratio on gas lift; an ESP recompletion is planned. No rig workovers nor new drilling were conducted in the OTOP in 2019. However, Eni initiated rig repairs, maintenance and material purchases in preparation for future OU workover and drilling programs. The ODST-47 Torok completion was abandoned in April, 2019 and the well slot will be utilized for future development from the Oooguruk Drill Site (ODS). Annual average dailyOTOP production for 2019 was 229 BOPD. Total oil production from the OTOP during 2019 was 83,598 barrels and is 991,477 barrels total through 2019. The 2019 annual average producing gas oil ratio and watercut were 825 SCF/STBO and 46%, respectively. When available* seawater injection continued in ODST-46i and the well was monitored pursuant to the rules of Area Injection Order 37 (AIO 37). Attachment F, in compliance with AIO 37, Rule 9, details the well injection pressures and injection for the report period. OTOP water injection was limited to 26 days in 2019, yielding a daily average water injection rate of 449 BWPD. Cumulative water injection in the OTOP during 2019 was 7,182 barrels and 798,224 barrels since the start of the project. In 2019 no gas was injected in the OTOP. Total gas injection in the OTOP is 171 Mscf since the start of the project. Attachment B details the 2019 monthly voidage for the OTOP. (*Refer to Section 5 for additional information regarding seawater availability) 2.0 Results and Analysis of Reservoir Pressure Surveys within the Pool Six pressure surveys were reported from four OTOP wells during 2019. The extended pressure build-ups in ODST-45A, ODST-39, and ODST-47, prior to abandonment, coupled with the ODST-46i falloff data, suggest similar levels of depletion and continuity in the ODS OTOP development area. As of December, 2019 the average OTOP pressure at 5,000 ft TVDss is estimated at 2,100 psi. The OTOP Pressure Map, Attachment C, Eni Petroleum, Alaska – Reservoir Page | 2 captures the OTOP pressures for December, 2019 including shut-in and producing wells. Refer to Attachment D for the reported pressures surveys and relevant data. 3.0 Results and Analysis of Production and Injection Log Surveys, Tracer Surveys, Observation Well Surveys and Any Other Special Monitoring Extended shut-in bottomhole pressure data from ODST-39, ODST-45A, ODST-46i and ODST-47 indicate good communication in the reservoir as evidenced by the equalization of the pressures over time (refer to Attachments C and D). 4.0 Review of Pool Production Allocation Factors and Issues Over the Year Production from the OTOP, Oooguruk-Kuparuk Oil Pool (OKOP) and Oooguruk-Nuiqsut Oil Pool (ONOP) is commingled at the surface into a common production line. Allocation between the pools is based on the ratio of total production for a pool to the total production for the Oooguruk Unit. The pool allocation factors for 2019 are: ONOP: 86.4% OKOP: 10.8% OTOP: 2.8% Theoretical production for individual wells for all pools is calculated on a daily basis. During 2019 wells were produced with chokes at 100% most of the time due to the capacity of the production line. Daily theoretical production for a well was calculated using the data from the most current well test and the amount of time a well was on production for a given day: oductionlDailyTheoreticaBOPDxDailyRate dayMinutes Minutes Welltest produced Pr)( 1440 The daily allocation factor for the unit is calculated by dividing the actual total production for the day by the sum of the theoretical daily production for each individual well. Daily allocated production is assigned to each well by multiplying its theoretical daily production by the daily allocation factor. The average daily allocation factor for 2019 was 1.0261. 5.0 Reservoir Management Summary The AOGCC issued pool rules under Conservation Orders No. 645, 596 and 597 for the OTOP, OKOP and the ONOP, respectively. While there is no subsurface commingling, unitized substances produced from the three oil pools are commingled on the surface. Eni Petroleum, Alaska – Reservoir Page | 3 Area injection orders (AIOs) authorizing the injection of fluids for enhanced oil recovery in the Oooguruk-Torok, Oooguruk-Kuparuk, and Oooguruk-Nuiqsut reservoirs were issued by the AOGCC as AIO No. 37, 33 and 34, respectively. Injection commenced into the OTOP in 2012. The OTOP reservoir management targets maximizing oil production, managing producing gas oil ratios (GOR) and maximizing long term reservoir performance and value. Flood throughput and reliable water supplyare critical to long-term OTOP recovery. During 2018 Kuparuk River Unit (KRU) seawater supply to the OU was restricted to less than 5,000 bwpd for 164 days which reduced overall flood voidage replacement in all reservoirs. In addition, effective July 2019, KRU converted the 3-HAMI water injection line from seawater to produced water. This removed the OU seawater supply access point at DS- 3A. No seawater was injected at ODS from July 4, 2019 through December 31, 2019. Consequently, Eni moved forward with a seawater injection supply (SWIS) enhancement project, increasing the available injection pressure, and incorporating alternative stimulation techniques. The SWIS project will bypass KRU CPF-3 and consistently supply ODS with up to 25,000 bpd of seawater, increase water injection reliability, and avoid produced water injection at ODS. SWIS pipeline and pump module components were installed in 2019, and start up is planned in May, 2020. In association with the SWIS project, water injection supply pressures will be boosted from 2,800 psi to 3,700 psi. High pressure injection testing to 3,300 psi in 2018 on four Oooguruk Nuiqust injection wells, ODSN-26i, ODSN-27i, ODSN-32i and ODSN-34i, demonstrated an average four-fold increase in injectivity with no containment or well integrity concerns, which is consistent with historical performance and modeling. A similar improvement is expected in the Torok. The AOGCC has approved increasing the pressure limit to 3,700 psi from 2,800 psi for both the Nuiqsut and Kuparuk pools; the Torok limit currently remains at 2,800 psi consistent with Rule 4 of AIO 37; a request for the AOGCC to modify AIO 37 to increase the Torok limit to 3,700 psi is in progress. Reservoir management included maximizing voidage replacement by maintaining injection in the ODST-46i well when available. The current cumulative voidage replacement ratio is at 31%. A simulation model has been maintained and updated to assist in reservoir and flood management decisions in the OTOP. Eni Petroleum – Alaska Reservoir Page | 4 ATTACHMENT A OTOP Well Location Map Eni Petroleum, Alaska – Reservoir Page | 5 ATTACHMENT B 2019 OTOP Voidage Balance by Month Eni Petroleum, Alaska – Reservoir Page | 6 ATTACHMENT C December 2019 OTOP Reservoir Pressure Map Eni Petroleum – Alaska Reservoir Page | 7 ATTACHMENT D 2019 OTOP Form 10-412 Pressure Report Eni Petroleum – Alaska Reservoir Page | 8 ATTACHMENT E OTOP Form 10-428 Annual Reservoir Properties Report 3. Field and Pool Code: 4. Pool Name 5. Reference Datum (ft TVDSS) 6. Temperature (°F) 7. Porosity (%) 8. Permeability (md) 9. Swi (%) 10. Oil Viscosity @ Original Pressure (cp) 11. Oil Viscosity @ Saturation Pressure (cp) 12. Original Pressure (psi) 13. Bubble Point or Dew Point Pressure (psi) 14. Current Reservoir Pressure (psi) 15. Oil Gravity (°API) 16. Gas Specific Gravity (Air = 1.0) 17. Gross Pay (ft) 18. Net Pay (ft) 19. Original Formation Volume Factor (RB/STB) 20. Bubble Point Formation Volume Factor (RB/STB) 21. Gas Compressibility Factor (Z) 22. Original GOR (SCF/STB) 23. Current GOR (SCF/STB) 576175 Torok 5000 135 19 4 52 3 - 5 3 - 5 2250 2250 2100 24 0.7 175 70 1.2 1.2 0.7 250 - 550 825 4/1/2020 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION ANNUAL RESERVOIR PROPERTIES REPORT 1. Operator: 2. Address: Eni US Operating Company Inc. (Eni US) 3700 Centerpoint Drive, Suite 500, Anchorage AK 99503 Printed Name Keith Lopez Date I hereby certify that the foregoing is true and correct to the best of my knowledge. Signature Title Production Engineer Eni Petroleum – Alaska Reservoir Page | 9 ATTACHMENT F ODST-46 Pressure Monitoring and Daily Injection Volumes (AIO 37, Rule 9) Inj Pressure IA Pressure OA Pressure GAS INJ (mscfd) WATER INJ (bbl/d) Year 2019 PI_27210C PI_27210G PI_27210H AVM AVM MONTH DAY MIN MAX AVG. MIN MAX AVG. MIN MAX AVG. Daily Total Daily Total January 1 465 467 466 273 273 273 22 22 22 0 0 January 2 465 466 465 273 273 273 22 22 22 0 0 January 3 464 465 464 273 273 273 22 22 22 0 0 January 4 463 464 463 272 273 272 22 22 22 0 0 January 5 462 463 462 272 272 272 22 22 22 0 0 January 6 461 462 462 272 272 272 22 22 22 0 0 January 7 460 461 461 272 272 272 22 22 22 0 0 January 8 459 461 460 272 272 272 22 22 22 0 0 January 9 458 460 459 271 272 272 21 22 22 0 0 January 10 457 459 458 271 272 271 22 22 22 0 0 January 11 456 458 457 271 272 272 22 22 22 0 0 January 12 455 457 456 271 272 272 22 22 22 0 0 January 13 454 456 455 271 271 271 22 22 22 0 0 January 14 454 455 454 271 271 271 22 22 22 0 0 January 15 452 454 453 271 272 271 22 22 22 0 0 January 16 452 453 452 271 272 272 22 22 22 0 0 January 17 451 452 452 272 272 272 22 22 22 0 0 January 18 450 451 451 272 272 272 22 22 22 0 0 January 19 449 450 450 272 272 272 22 22 22 0 0 January 20 448 450 449 272 272 272 22 22 22 0 0 January 21 447 449 448 272 272 272 22 22 22 0 0 January 22 446 447 447 271 272 272 22 22 22 0 0 January 23 444 446 445 271 272 272 22 22 22 0 0 January 24 443 444 444 272 272 272 22 22 22 0 0 January 25 443 444 443 271 272 272 22 22 22 0 0 January 26 442 443 442 271 272 271 22 22 22 0 0 January 27 441 442 441 271 273 272 22 23 23 0 0 January 28 440 441 441 273 273 273 23 23 23 0 0 January 29 440 441 440 273 273 273 23 23 23 0 0 January 30 439 440 439 273 273 273 23 23 23 0 0 January 31 439 439 439 273 273 273 23 23 23 0 0 February 1 438 439 438 272 273 272 23 23 23 0 0 February 2 437 438 437 272 272 272 23 23 23 0 0 February 3 436 437 436 272 273 272 23 23 23 0 0 February 4 435 436 436 273 274 273 23 24 23 0 0 Eni Petroleum, Alaska – Reservoir Page | 10 Inj Pressure IA Pressure OA Pressure GAS INJ (mscfd) WATER INJ (bbl/d) Year 2019 PI_27210C PI_27210G PI_27210H AVM AVM February 5 435 436 435 273 274 273 24 24 24 0 0 February 6 434 435 434 273 273 273 23 24 24 0 0 February 7 433 434 433 273 273 273 24 24 24 0 0 February 8 432 433 433 273 274 274 24 24 24 0 0 February 9 431 432 432 272 274 273 24 24 24 0 0 February 10 430 432 431 272 272 272 24 24 24 0 0 February 11 430 431 430 272 273 272 24 24 24 0 0 February 12 429 430 430 272 272 272 24 24 24 0 0 February 13 428 430 429 272 273 273 24 25 24 0 0 February 14 427 429 428 273 273 273 24 25 24 0 0 February 15 427 428 427 272 273 273 24 24 24 0 0 February 16 426 427 426 272 273 273 24 25 24 0 0 February 17 425 426 426 272 273 273 25 25 25 0 0 February 18 424 425 425 272 273 273 25 25 25 0 0 February 19 423 424 424 273 274 273 25 25 25 0 0 February 20 423 423 423 273 274 273 25 25 25 0 0 February 21 422 423 422 273 273 273 25 26 25 0 0 February 22 421 422 422 272 273 273 25 26 26 0 0 February 23 421 422 421 272 273 273 25 26 26 0 0 February 24 420 421 421 273 274 273 26 26 26 0 0 February 25 419 420 420 274 274 274 26 27 26 0 0 February 26 419 420 419 273 274 274 26 27 27 0 0 February 27 418 419 419 273 274 273 27 27 27 0 0 February 28 417 418 418 273 274 274 27 27 27 0 0 March 1 417 418 417 274 274 274 27 27 27 0 0 March 2 416 417 417 274 274 274 27 27 27 0 0 March 3 415 417 416 274 275 274 27 28 28 0 0 March 4 415 416 415 274 274 274 28 28 28 0 0 March 5 414 415 415 274 274 274 28 28 28 0 0 March 6 414 415 414 274 275 275 28 28 28 0 0 March 7 413 414 414 275 275 275 28 29 29 0 0 March 8 412 413 413 274 275 274 28 29 29 0 0 March 9 412 412 412 274 275 274 28 29 29 0 0 March 10 411 412 412 274 274 274 29 29 29 0 0 March 11 410 411 411 274 274 274 29 29 29 0 0 March 12 409 410 410 273 274 274 29 29 29 0 0 March 13 408 410 409 274 274 274 29 29 29 0 0 March 14 408 409 408 274 274 274 29 29 29 0 0 March 15 407 408 408 274 274 274 29 30 30 0 0 March 16 406 408 407 272 274 273 29 30 29 0 0 Eni Petroleum, Alaska – Reservoir Page | 11 Inj Pressure IA Pressure OA Pressure GAS INJ (mscfd) WATER INJ (bbl/d) Year 2019 PI_27210C PI_27210G PI_27210H AVM AVM March 17 406 407 406 272 274 273 29 30 30 0 0 March 18 405 406 406 273 274 273 30 30 30 0 0 March 19 404 406 405 273 274 274 30 30 30 0 0 March 20 404 405 404 273 275 274 30 31 31 0 0 March 21 403 404 404 273 275 274 30 31 31 0 0 March 22 402 404 403 272 274 273 30 30 30 0 0 March 23 402 403 402 272 273 273 30 31 30 0 0 March 24 401 402 402 273 274 274 31 31 31 0 0 March 25 401 402 401 273 274 274 31 31 31 0 0 March 26 400 401 401 273 274 273 31 31 31 0 0 March 27 399 401 400 273 274 274 31 32 31 0 0 March 28 399 400 399 273 274 274 32 32 32 0 0 March 29 398 399 399 274 274 274 32 32 32 0 0 March 30 397 398 398 273 274 273 32 32 32 0 0 March 31 397 398 398 273 273 273 32 32 32 0 0 April 1 396 397 397 273 273 273 32 32 32 0 0 April 2 395 396 396 273 274 274 32 33 32 0 0 April 3 395 396 395 273 274 274 32 33 33 0 0 April 4 394 395 395 274 274 274 33 33 33 0 0 April 5 393 394 394 274 274 274 33 33 33 0 0 April 6 393 394 393 274 274 274 33 33 33 0 0 April 7 392 393 393 274 275 274 33 34 33 0 0 April 8 391 393 392 275 276 275 34 34 34 0 0 April 9 390 392 391 275 276 275 34 34 34 0 0 April 10 389 390 390 275 275 275 34 34 34 0 0 April 11 389 390 389 275 275 275 34 35 34 0 0 April 12 386 389 388 274 275 274 34 35 34 0 0 April 13 387 388 388 274 275 275 34 35 35 0 0 April 14 387 388 388 275 276 275 35 36 35 0 0 April 15 386 387 387 275 276 276 35 36 36 0 0 April 16 385 387 386 276 276 276 36 36 36 0 0 April 17 385 386 385 276 276 276 36 37 36 0 0 April 18 384 385 384 276 276 276 36 37 37 0 0 April 19 383 384 384 276 277 276 37 37 37 0 0 April 20 383 383 383 276 277 276 37 37 37 0 0 April 21 382 383 383 276 276 276 37 37 37 0 0 April 22 381 382 382 276 276 276 37 38 38 0 0 April 23 381 382 382 276 276 276 38 38 38 0 0 April 24 381 382 381 276 276 276 38 38 38 0 0 April 25 380 381 380 276 276 276 38 38 38 0 0 Eni Petroleum, Alaska – Reservoir Page | 12 Inj Pressure IA Pressure OA Pressure GAS INJ (mscfd) WATER INJ (bbl/d) Year 2019 PI_27210C PI_27210G PI_27210H AVM AVM April 26 379 380 380 276 277 276 38 39 39 0 0 April 27 379 380 379 276 277 277 39 39 39 0 0 April 28 378 379 379 275 276 275 38 39 38 0 0 April 29 378 379 378 275 276 276 39 39 39 0 0 April 30 377 378 378 276 277 277 39 40 40 0 0 May 1 377 378 377 276 277 277 40 40 40 0 0 May 2 376 377 376 275 276 276 39 40 39 0 0 May 3 376 377 376 274 275 275 39 40 39 0 0 May 4 375 376 375 275 277 276 40 40 40 0 0 May 5 374 375 375 276 277 276 40 41 40 0 0 May 6 374 375 374 276 277 277 41 41 41 0 0 May 7 373 374 374 277 277 277 41 41 41 0 0 May 8 373 374 373 276 277 277 41 42 41 0 0 May 9 372 373 373 277 277 277 41 42 42 0 0 May 10 372 373 372 277 277 277 42 42 42 0 0 May 11 371 372 372 277 277 277 42 43 42 0 0 May 12 371 372 371 277 278 278 42 43 43 0 0 May 13 370 371 371 277 278 278 43 43 43 0 0 May 14 370 371 370 277 278 277 43 43 43 0 0 May 15 369 370 370 277 278 277 43 44 43 0 0 May 16 369 369 369 277 278 278 43 44 44 0 0 May 17 368 369 369 277 278 277 44 44 44 0 0 May 18 368 368 368 277 277 277 44 44 44 0 0 May 19 367 368 368 277 278 277 44 45 44 0 0 May 20 367 368 367 278 278 278 44 45 45 0 0 May 21 367 368 367 278 278 278 45 45 45 0 0 May 22 365 367 366 278 279 278 45 46 46 0 0 May 23 364 366 365 278 279 278 46 46 46 0 0 May 24 363 364 364 278 279 279 46 46 46 0 0 May 25 363 364 363 279 279 279 46 47 46 0 0 May 26 362 363 362 278 279 278 46 46 46 0 0 May 27 361 362 362 278 278 278 46 47 46 0 0 May 28 361 362 361 278 278 278 46 47 47 0 0 May 29 360 361 361 278 278 278 47 47 47 0 0 May 30 360 361 360 278 278 278 47 47 47 0 0 May 31 228 677 414 264 291 278 47 48 48 0 0 June 1 409 411 410 278 279 278 47 48 48 0 0 June 2 408 409 409 279 279 279 48 48 48 0 0 June 3 408 408 408 279 280 280 48 48 48 0 0 June 4 407 408 407 280 280 280 48 49 49 0 0 Eni Petroleum, Alaska – Reservoir Page | 13 Inj Pressure IA Pressure OA Pressure GAS INJ (mscfd) WATER INJ (bbl/d) Year 2019 PI_27210C PI_27210G PI_27210H AVM AVM June 5 407 407 407 280 281 281 49 49 49 0 0 June 6 406 407 407 281 281 281 49 49 49 0 0 June 7 405 406 406 281 282 281 49 50 50 0 0 June 8 405 406 405 281 282 282 50 50 50 0 0 June 9 405 406 405 282 282 282 50 50 50 0 0 June 10 404 405 405 282 282 282 50 51 51 0 0 June 11 404 405 404 282 283 282 51 51 51 0 0 June 12 403 404 404 283 283 283 51 51 51 0 0 June 13 403 403 403 282 283 282 51 51 51 0 0 June 14 402 403 403 282 283 282 51 52 51 0 0 June 15 402 403 402 282 283 283 52 52 52 0 0 June 16 401 402 402 282 283 283 52 52 52 0 0 June 17 400 401 401 282 283 283 52 53 52 0 0 June 18 400 1,620 900 282 395 329 52 424 180 0 255 June 19 1,621 1,843 1,759 381 420 401 424 512 478 0 582 June 20 1,842 1,972 1,905 420 461 431 512 543 521 0 610 June 21 1,940 1,979 1,962 461 767 587 543 573 555 0 621 June 22 1,972 2,012 1,996 767 879 856 573 583 579 0 577 June 23 2,006 2,027 2,016 864 875 870 566 574 570 0 555 June 24 1,922 2,023 1,982 852 878 865 552 574 565 0 500 June 25 1,972 2,011 1,996 841 877 850 536 574 546 0 487 June 26 1,966 1,973 1,969 841 891 861 532 575 549 0 456 June 27 1,955 1,972 1,963 858 892 879 532 576 558 0 438 June 28 1,296 2,016 1,921 799 896 859 455 532 511 0 383 June 29 1,911 2,001 1,961 855 897 877 489 531 511 0 400 June 30 1,883 1,941 1,916 834 855 842 465 489 473 0 387 July 1 1,876 1,893 1,881 823 837 828 452 467 456 0 372 July 2 1,847 1,879 1,866 822 833 826 446 461 452 0 366 July 3 1,110 2,128 1,615 754 834 800 313 446 409 0 191 July 4 948 1,197 1,038 753 844 800 197 313 237 0 0 July 5 861 948 901 844 848 846 157 197 175 0 0 July 6 805 861 831 840 852 849 133 157 144 0 0 July 7 766 805 785 800 840 820 112 133 122 0 0 July 8 737 766 751 770 800 784 97 112 104 0 0 July 9 711 737 723 744 770 757 85 97 91 0 0 July 10 692 711 701 725 744 734 76 85 81 0 0 July 11 676 692 684 709 725 716 69 76 73 0 0 July 12 661 676 669 694 709 701 63 69 66 0 0 July 13 650 662 656 682 694 688 58 63 60 0 0 July 14 639 650 645 671 682 677 54 58 56 0 0 Eni Petroleum, Alaska – Reservoir Page | 14 Inj Pressure IA Pressure OA Pressure GAS INJ (mscfd) WATER INJ (bbl/d) Year 2019 PI_27210C PI_27210G PI_27210H AVM AVM July 15 629 639 634 661 671 666 50 54 52 0 0 July 16 621 630 625 653 661 657 47 50 48 0 0 July 17 612 621 616 644 653 648 44 47 45 0 0 July 18 604 612 608 636 644 640 41 44 43 0 0 July 19 597 604 601 629 636 632 40 42 40 0 0 July 20 591 598 594 622 629 625 38 40 39 0 0 July 21 584 591 587 616 622 619 36 38 37 0 0 July 22 578 584 581 610 616 613 35 36 36 0 0 July 23 573 578 575 604 610 607 34 35 35 0 0 July 24 567 573 570 599 604 601 33 34 34 0 0 July 25 563 568 565 594 599 596 32 33 33 0 0 July 26 558 563 560 589 594 592 32 33 32 0 0 July 27 554 558 556 585 589 587 31 32 31 0 0 July 28 550 554 552 581 585 583 31 31 31 0 0 July 29 546 550 548 578 581 579 31 31 31 0 0 July 30 542 547 544 574 578 576 30 31 31 0 0 July 31 539 543 541 570 574 572 31 31 31 0 0 August 1 536 540 538 567 570 568 30 31 30 0 0 August 2 532 536 534 563 567 565 30 30 30 0 0 August 3 530 533 531 560 563 562 29 30 29 0 0 August 4 527 530 529 558 561 559 29 30 29 0 0 August 5 524 527 526 555 558 556 29 29 29 0 0 August 6 521 524 523 552 555 553 29 29 29 0 0 August 7 518 521 520 549 552 551 29 29 29 0 0 August 8 515 518 517 546 549 548 28 29 29 0 0 August 9 513 516 514 545 546 545 28 29 29 0 0 August 10 511 513 512 543 545 544 29 30 29 0 0 August 11 508 511 510 540 543 542 29 30 30 0 0 August 12 506 509 508 538 540 539 30 30 30 0 0 August 13 504 505 505 535 537 536 30 30 30 0 0 August 14 502 504 503 533 535 534 30 30 30 0 0 August 15 499 502 501 532 533 532 30 30 30 0 0 August 16 497 500 498 530 532 531 30 30 30 0 0 August 17 495 498 496 528 530 529 29 30 29 0 0 August 18 493 495 494 524 528 526 29 29 29 0 0 August 19 491 494 492 522 524 523 29 29 29 0 0 August 20 489 492 490 520 522 521 29 30 30 0 0 August 21 487 490 488 518 520 519 30 30 30 0 0 August 22 485 487 486 516 518 517 30 30 30 0 0 August 23 484 486 485 514 516 515 30 30 30 0 0 Eni Petroleum, Alaska – Reservoir Page | 15 Inj Pressure IA Pressure OA Pressure GAS INJ (mscfd) WATER INJ (bbl/d) Year 2019 PI_27210C PI_27210G PI_27210H AVM AVM August 24 482 484 483 513 515 514 30 31 30 0 0 August 25 480 482 481 511 513 512 31 31 31 0 0 August 26 478 480 479 509 511 510 31 31 31 0 0 August 27 476 478 477 507 509 508 31 31 31 0 0 August 28 474 476 475 505 507 506 31 31 31 0 0 August 29 473 475 474 503 505 504 31 31 31 0 0 August 30 471 473 472 501 504 502 31 31 31 0 0 August 31 468 471 470 499 501 500 31 32 31 0 0 September 1 466 469 467 497 499 498 31 31 31 0 0 September 2 463 466 465 494 497 496 31 32 31 0 0 September 3 460 463 461 491 494 493 32 32 32 0 0 September 4 458 460 459 489 491 490 32 32 32 0 0 September 5 456 458 457 487 489 488 32 33 32 0 0 September 6 454 456 455 485 487 486 32 33 33 0 0 September 7 453 455 454 484 485 485 33 33 33 0 0 September 8 452 454 453 483 484 484 33 33 33 0 0 September 9 450 452 451 481 483 482 33 34 34 0 0 September 10 449 451 450 480 481 481 34 34 34 0 0 September 11 448 449 448 479 480 479 34 34 34 0 0 September 12 446 448 447 477 479 478 34 34 34 0 0 September 13 445 447 446 476 477 477 34 34 34 0 0 September 14 444 445 444 474 476 475 34 35 34 0 0 September 15 443 444 443 473 474 474 34 35 35 0 0 September 16 441 443 442 472 473 473 35 35 35 0 0 September 17 441 442 441 472 472 472 35 35 35 0 0 September 18 440 441 441 471 472 471 35 36 36 0 0 September 19 439 440 439 469 471 470 36 36 36 0 0 September 20 438 439 439 469 469 469 36 36 36 0 0 September 21 436 438 437 467 469 468 36 36 36 0 0 September 22 435 436 436 466 467 466 36 36 36 0 0 September 23 435 435 435 465 466 465 36 37 36 0 0 September 24 434 435 435 465 465 465 37 37 37 0 0 September 25 433 435 434 464 465 465 37 37 37 0 0 September 26 432 434 433 463 464 464 37 38 38 0 0 September 27 431 433 432 462 463 463 38 38 38 0 0 September 28 431 432 431 461 462 462 38 38 38 0 0 September 29 429 431 430 460 461 461 38 39 39 0 0 September 30 428 430 428 459 460 460 39 39 39 0 0 October 1 427 428 427 457 459 458 39 40 39 0 0 October 2 425 427 426 456 458 457 39 40 40 0 0 Eni Petroleum, Alaska – Reservoir Page | 16 Inj Pressure IA Pressure OA Pressure GAS INJ (mscfd) WATER INJ (bbl/d) Year 2019 PI_27210C PI_27210G PI_27210H AVM AVM October 3 424 425 424 455 456 455 40 40 40 0 0 October 4 424 424 424 454 455 455 40 40 40 0 0 October 5 423 424 424 454 454 454 40 41 40 0 0 October 6 423 424 423 453 454 454 41 41 41 0 0 October 7 421 424 422 452 453 453 41 41 41 0 0 October 8 420 422 421 451 452 452 41 41 41 0 0 October 9 419 420 420 450 451 451 41 42 42 0 0 October 10 418 420 419 449 450 450 42 42 42 0 0 October 11 417 418 418 448 449 448 42 42 42 0 0 October 12 417 417 417 447 448 448 42 43 43 0 0 October 13 417 418 418 448 448 448 43 43 43 0 0 October 14 416 418 417 447 448 448 43 43 43 0 0 October 15 415 416 415 446 447 446 43 43 43 0 0 October 16 415 416 416 446 446 446 43 44 44 0 0 October 17 414 415 415 445 446 446 44 44 44 0 0 October 18 413 414 414 444 445 445 44 44 44 0 0 October 19 413 414 413 444 445 444 44 44 44 0 0 October 20 413 413 413 443 444 444 44 45 44 0 0 October 21 412 413 413 443 444 443 44 45 45 0 0 October 22 412 412 412 442 443 443 45 45 45 0 0 October 23 411 412 411 442 443 442 45 45 45 0 0 October 24 410 411 410 441 442 441 45 45 45 0 0 October 25 409 410 409 439 441 440 45 46 46 0 0 October 26 408 409 409 439 440 439 45 46 46 0 0 October 27 408 409 408 439 439 439 45 46 46 0 0 October 28 407 408 408 438 439 439 46 47 46 0 0 October 29 406 407 407 437 438 438 46 47 47 0 0 October 30 405 407 406 436 437 437 46 47 47 0 0 October 31 405 406 405 436 436 436 47 47 47 0 0 November 1 404 405 404 435 436 435 47 47 47 0 0 November 2 403 404 404 434 435 434 47 48 48 0 0 November 3 402 404 403 434 434 434 48 48 48 0 0 November 4 401 402 402 432 434 433 48 48 48 0 0 November 5 401 402 401 432 432 432 48 48 48 0 0 November 6 400 401 401 432 432 432 48 49 49 0 0 November 7 399 401 400 431 432 431 49 50 49 0 0 November 8 399 400 399 430 431 430 49 50 49 0 0 November 9 398 399 398 429 430 429 49 50 49 0 0 November 10 398 398 398 429 429 429 49 50 50 0 0 November 11 397 398 397 428 429 428 50 51 51 0 0 Eni Petroleum, Alaska – Reservoir Page | 17 Inj Pressure IA Pressure OA Pressure GAS INJ (mscfd) WATER INJ (bbl/d) Year 2019 PI_27210C PI_27210G PI_27210H AVM AVM November 12 396 397 397 427 428 427 51 51 51 0 0 November 13 395 396 396 426 427 426 51 51 51 0 0 November 14 394 395 395 425 426 426 51 51 51 0 0 November 15 393 395 394 424 425 425 51 52 52 0 0 November 16 392 394 393 423 425 424 52 52 52 0 0 November 17 392 394 393 423 424 423 52 52 52 0 0 November 18 392 393 393 423 424 424 52 53 53 0 0 November 19 392 393 392 422 423 423 52 53 53 0 0 November 20 390 392 391 422 423 422 53 53 53 0 0 November 21 390 391 390 421 422 421 53 54 54 0 0 November 22 389 390 390 421 421 421 54 54 54 0 0 November 23 388 390 389 419 421 420 54 55 55 0 0 November 24 388 389 388 419 420 419 55 55 55 0 0 November 25 387 388 388 418 419 419 55 55 55 0 0 November 26 386 387 387 417 418 418 55 56 55 0 0 November 27 386 387 386 417 418 417 55 56 56 0 0 November 28 385 386 385 416 417 417 56 57 56 0 0 November 29 384 385 385 415 416 416 56 57 57 0 0 November 30 383 385 384 415 415 415 56 57 57 0 0 December 1 383 384 383 413 415 414 56 57 56 0 0 December 2 382 383 383 413 413 413 56 57 57 0 0 December 3 382 383 382 413 413 413 57 58 57 0 0 December 4 381 382 381 412 413 413 57 58 58 0 0 December 5 380 381 380 411 412 411 57 58 58 0 0 December 6 379 380 380 411 411 411 58 58 58 0 0 December 7 379 380 380 410 411 411 58 59 59 0 0 December 8 379 380 380 410 411 410 59 59 59 0 0 December 9 378 380 379 410 411 411 59 60 60 0 0 December 10 378 379 378 409 410 409 59 60 60 0 0 December 11 378 378 378 409 410 409 60 61 61 0 0 December 12 378 379 378 408 409 409 61 61 61 0 0 December 13 378 378 378 408 408 408 61 61 61 0 0 December 14 377 378 378 408 409 408 61 62 61 0 0 December 15 376 378 377 408 409 409 62 62 62 0 0 December 16 376 377 376 407 408 407 62 62 62 0 0 December 17 376 376 376 406 407 407 62 62 62 0 0 December 18 375 376 375 406 406 406 62 63 62 0 0 December 19 374 375 375 405 406 406 63 63 63 0 0 December 20 374 375 374 405 405 405 63 63 63 0 0 December 21 373 374 374 404 405 405 63 63 63 0 0 Eni Petroleum, Alaska – Reservoir Page | 18 Inj Pressure IA Pressure OA Pressure GAS INJ (mscfd) WATER INJ (bbl/d) Year 2019 PI_27210C PI_27210G PI_27210H AVM AVM December 22 373 374 373 404 404 404 63 64 63 0 0 December 23 373 2,054 1,367 404 404 404 63 64 64 0 0 December 24 1,508 1,903 1,688 402 404 403 63 64 63 0 0 December 25 1,362 1,629 1,514 401 402 402 62 63 62 0 0 December 26 1,629 2,007 1,890 401 402 401 62 62 62 0 0 December 27 2 3,102 1,128 399 403 402 62 63 62 0 0 December 28 375 376 375 402 403 402 62 63 63 0 0 December 29 374 375 374 403 405 403 63 64 63 0 0 December 30 373 374 374 404 406 405 64 66 65 0 0 December 31 372 373 373 404 405 404 65 66 66 0 0 0 7,182 Notes for Highlighted Dates Above: 12/27/19 Performing X-mas tree inspection and testing per Eni well integrity policies. Inspect each tree flange connections, measuring gaps and bolt torque specifications. Pull hatch cover and install wireline valve with CH100 lubricator with TWCV plug, PT LRS lines to 3500 psi, install TWCV plug in tubing hanger. Perform shell test to 3,000 psi; test swab and wing valves to 3,000 psi.
