8/13/2019 Cementing Casing Sub Sea

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JOB SHEET FOR 11-7/8" INTERMEDIATE CASINGENTER COMPANY NAME IN CELL A4

ENTER WELL NAME IN CELL A5Current mud weight = 12.5

Depth last casing set = 4,000' Running String Land Out Above RKB = 21.33'

Type mud system = Low pH Desco Length of Running String and Tools = 1,527.33'MD drilled for this job = 9,850 RKB ID of Running String = 4.276

#1, 2, 3, 4, and 5

RKB to Subsea Wellhead = 1,506.00'

Total pipe left out of string, ft 220.06

Total pipe tallied, ft 8,516.48

Total Pipe Run, ft 8,296.42 RATE, bpm 10 15

Casing Check Status Good News AV, fpm 134 202

PUMP, spm 85 128

Column Length of Mud, ft 6,659

Total Hydrostatic PSI Annulus 6,735

Total Hydrostatic PSI Casing 6,407

* Final Surface Pressure 328

Type Dual Type cement 50/50 Posmix RUNNING SEQUENCE

Length, ft 672 Length, ft 2,000

Volume,bbl 50 Sacks To Mix 917 1. Davis Lynch Float shoe

Density, ppg 15.0 Additive 1 3% D20 2. 2-Joints #193, #192.

Additive 2 .045 gps D81 3. Davis Lynch Float collar.

Type cement Class H Additive 3 .2% D-46 4. Run Joints #191 through #6, joints.

Length, ft 500 Additive 4 5. Wellhead Assembly with X/O joint.

Sacks To Mix 455 Density, ppg 14.0 6. Running string with tools, and land out.

Additive 1 .045 gps D81 Yield, ft/sx 1.29 7

Additive 2 .2% D46 Mix Water, gps 5.95 8

Additive 3 Thick Time, hrs 5.0 9

Additive 4 Thread Lock FS, FC and connections in between.

Density, ppg 16.4 Check FS and FC for circulation.

Yield, ft/sx 1.07

Mix Water, gps 4.36 EST. TOC = 7350'

Thick Time, hrs 3.0

Wellhead Ass'y = 6.69'

Used Per Jt. Starting Jt. # Ending Jt. # Quantity Used X/O Joint To Wellhead Ass'y = 18.88'2 193 191 6 Amount of Casing = 8210.90'1 190 190 1 Float Collar = 1.47'

Shoe Joint(s) = 85.52'Float Shoe = 1.97'

Total Footage Run = 8,325.43'

7

Depth Float Collar = 9,742.47'

Pump output, bbl/stk 0.117

To Latch DP Plug, bbls 27.1

To Land Casing Plug, bbls 918 Depth Float Shoe = 9,829.46'

To Land Casing Plug, stks 7,846 Depth Casing Set = 9,831.43'

Amount of Rathole = 18.57'

ID Last Casing = 14.822

This Casing OD = 11.875

Mfg & Size = Dril-Quip 13-5/8" x 11-7/8" Nominal ID This Casing = 10.711

Test PSI = 3600 Hole Size For Casing = 14.75 Date Run: 7/23/1995

JOINTS LEFT OUT OF STRING

Casing check: (pipe run + plus pipe out) = to the amount tallied.

STRING MAKE-UP

TYPE WELLHEAD & TEST PRESSURE

(ENTER RUN ORDER AND OTHER INSTRUCTIONS FOR STRING)

Enter the bpmto calculate an AV & PUMP spmto circulate and cement this casing string.SUGGESTED RATES ...CIRCULATION RATE: SAME AS MAX AVWHEN DRILLING THIS SECTION OF HOLE.DISPLACEMENT RATE: @ 1-1/2 TIMES THECIRCULATION RATE.BUMP PLUG: @ 1/2 CIRCULATION RATE.

*Final pressure neglects

friction pressure, assumesa gauge hole and full mud

returns during the job.

WELLHEAD

LEAD CEMENTSPACER

TAIL CEMENT

CALCULATED ANN VEL FOR JOB

FC

FS

CASING CHECK

ESTIMATED PSI WHEN PLUG DOWN

CENTRALIZERS or EQUIVALENT

DISPLACEMENT

Casing plug kicked out with mud, and nowater ahead. Displaced with rig pumps.

TOTAL USED