B08_ATT_4_Fish_Creek_Wellbore_Diagram.pdf

5' Below Ground Level

National Petroleum Reserve Alaska Alaska

Fish Creek Test Well #1 PBTD: 3017'

RKB – GL: 15.0'

API # 50‐103‐10001

TD: 7,020' MD

Elevation KB: 31.5'

Post Rig Schematic

Drawn By:

Date

4/23/2021PTD # 100‐100

Location of Well Latitude/Longitude: 70.310775198, ‐151.873515704 (WGS84)*

*Planning, only actual location to be verified with site visit

ZJS

Production Casing 7", 23#, J‐55, 8rd CSG to 2,915' MD/TVD (6.366" ID, 6.241" Drift, 4,360 Burst, 3,270 Collapse, 366k yield) Cemented with 245 sx of cmt treated with 2% CaCl Calculated TOC: 2,209 MD*

*assuming 1.18 cu. Ft / sk & 5.2 gal/sk

National Rig 50 122' Ideco Derrick Spud: May 17th, 1949 Completed: September 4th, 1949

15' MD/TVD (Original Ground Level)

Conductor Casing Jacket 20", 48# CSG to 46' MD/TVD

(19.56" ID*)

“Naylor Spiral‐Weld Casing” 15 sx ‘Oil Well Cement + 15 sx sand

Conductor Casing 16", 42#, Slip‐Jt, welded CSG to +/‐193' MD/TVD (15.52" ID*, 1,052 psi Burst*, 120psi Collapse*) *pressures calculated with given steel parameters, not API certified values

Cemented with 90 sx of Hi‐Early Calculated TOC: 88' MD* *assuming 1.22 cu. Ft / sk & 5.2 gal/sk, and 100% OH excess factor for permafrost

Surface Casing 11‐3/4", 47#,J‐55, 8rd CSG to 1,046' MD/TVD (11.00" ID, 10.840" Drift, 3,070 Burst, 1,510 Collapse) Cemented with 125 sx of Hi‐ Early cmt treated with 2% CaCl Calculated TOC: 818' MD*

*assuming 1.22 cu. Ft / sk & 5.2 gal/sk

18‐¾” OH f/ 46' MD to 193' MD/TVD

22" OH to 46' MD/TVD

15‐½” OH f/ 193' MD to 1,046' MD/TVD

10‐5/8" OH f/ 1,046' MD t/ 3,018' MD/TVD

7‐5/8" OH f/ 2,552' MD t/ 7,020' MD/TVD

Production Liner 4‐1/2", 11#, J‐55, 8rd CSG from 3,017' to 2,915' MD/TVD (4.052" ID, 3.927" Drift) perforated from 2,918 to 3,017 ft with 8 rows of ½” drilled holes on 2‐7/8" centers, staggered, and covered with 4‐½” by 6" OD Nelson gravel prepack sleeves

6" OD Brown Pack‐Off Hanger @ 2,891' MD/TVD

Casing Collapse (Drift: >2.20", <4.50") – 261.5' MD

Casing Collapse (Drift: >1.6875") – 414.5' MD

Diesel Freeze Protect placed 3/10/2021 f/414.5' MD t/ Surface aschoessler Text Box Current WBD April 2021

National Rig 50 122' Ideco Derrick Spud: May 17th, 1949 Completed: September 4th, 1949

0.0 in. 18.0 in. 30.0 in. 60.0 in.

Existing Ground Level (Tundra Level)

DRAWN BY

ZACH SAYERS

REVISED

4/23/2021

SCALE

1: 24

TITLE

Fish Creek #1 As Built Wellhead

REV. DESCRIPTION DATE BY Company:

Under

Contract To:

A ORIGINAL DRAWING 4/23/21 ZJS

API #:

50‐103‐10001

PTD #:

100‐100

NPRA, Alaska

Location of Well Latitude/Longitude: 70.310775198, ‐151.873515704 (WGS84)*

*Planning, only actual location to be verified with site visit

2", 1,000 psi, Threaded Ball Valve w/ 2" fNPT threads psi

11‐¾” x 7" Weld‐On Annulus Isolator Plate

11‐¾” 47#, J‐55, 8Rd, casing (1,046')

7" 23# J‐55 Casing 8Rd casing (2,915')

3‐1/8" Neck

3‐1/8", 3,000 psi, Flanged Ball Valve w/ 3‐1/8" 3M Flanges

7‐1/16" 3M Flange

3‐1/8" 3M Flange

3‐1/8" 3M Flange

2" NPT Reducing Sage w/ 2" mNPT

2" NPT Coupler

2" mNPT x ½” fNPT reducer bushing

2", 1,000 psi, Threaded Ball Valve w/ 2" fNPT threads aschoessler Text Box Current WBD April 2021

Rig:

Spud:

Meridian Township Range Section Utiagvik

5/9/00

WGS84

Original Kelly Bushing = 15' Above GL

Size Weight Type Grade ID Top Btm

20" 48 Conductor --- --- 0 46

16" 42 Surface --- --- 0 193

11 3/4" 47 Intermediate J-55 --- 0 1046

7" 23 Intermediate J-55 --- 0 2915 7" --- Liner --- --- 2891 3017

Base Depths Weight Additives

Water 0-4620 10-11 Aquagel, Baroid, Pyrophosphate, Quebrancho Dicrose

Formation Age Depths

Gubik Cenozoic 15-65

Sentinel Hill Upper Cretaceous 65-680

Schrader Bluff Upper Cretaceous 680-1632

Upper Cretaceous 1632-1655

Seabee Upper Cretaceous 1655-2890

Topagoruk Upper Cretaceous 2890-7020

Item Date Depth

A ? ?

B ? 3018' C ? 2891'

Depth Orifice Pressure Temp

2925-3060 ? --- ---

5481-5585 ? --- --- 6000-6060 ? --- ---

Item Depth

1 2891-2691'

2 1149'-949' 3 150'-suface

Proposed Plugs Oil Produced

Cement Gas Produced

Bridge Oil Show

Gas Show

NaCl Sodium Chloride

Cal-Seal Gypsum cement Flouresence‐Cut

Proposed Plugs

Comments

Plug #1

Plug #2 Plug #3 & All surface Annuli

Prince Creek, Tuluvak Tongue

Geology

Fish/Fill Information

Production Tests

Gas Rate

Comment

Plug Back

Gravel Pack Liner Hanger

Fish Creek Test Well 1 National 50

May 17, 1949

Proposed Wellbore Schematic

GL: 15' MSL

70.310775198, -151.873515704

Casing and Tubing Detail

Drilling Fluids

Shows

Gas

Oil Base of Permafrost --- ---

"Steady" Also Oil

Failed Failed vv

7020' v v

193' v v

1049'

2552'

3018' v v v

A

B

2891'C

2918‐3017' perfs

2925‐3060'

1023‐1035'

1225‐1235'

5480‐5585'

6005‐6020'

6026‐6027'