8/18/2019 30. Cementing - Cont'd

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Slide 1 of 2130. Cementing cont’d PETE 411 Well Drilling

PETE 411Well Drilling

Lesson 30

Cementing cont’d

Slide 2of 2130. Cementing cont’d PETE 411 Well Drilling

Cementing cont’d

u Large-Hole Cementingn Through Casing

n Through Drill Pipe

n Through Grout Pipe

u Cementing of Liner 

u Cementing from Floater 

uMultistage Cementing

u Cement Bond Log

Slide 3 of 2130. Cementing cont’d PETE 411 Well Drilling

Read:

 Applied Drilling Engineering Ch. 3. Cementing 

HW #15 – Kick – W&W

Due November 12, 2001

Slide 4of 2130. Cementing cont’d PETE 411 Well Drilling

QUIZ B

Thursday, November 15, 2001

7 - 9 p.m.

Rich 101

Slide 5 of 2130. Cementing cont’d PETE 411 Well Drilling

Large-Hole

Cementing

NormalDisplacement

Method

• Down the inside of the Csg.

• Use two wiper plugs

• Takes a long time . . .

• Large surface area exposed

to the cmt.Slide 6of 2130. Cementing cont’d PETE 411 Well Drilling

Large-Hole

Cementing

Inner String

Cementing

• Down the inside of the DP

• Use top wiper plug

• Stab-in adapter

• Much shorter displ. time

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Slide 13of 2130. Cementing cont’d PETE 411 Well Drilling

Opening

Bomb Closing

PlugStage

Collar 

Cementing

Basket

Slide 14of 2130. Cementing cont’d PETE 411 Well Drilling

Cm t

Cm t

Mud

Slide 15of 2130. Cementing cont’d PETE 411 Well Drilling

BAD

GOOD

Slide 16of 2130. Cementing cont’d PETE 411 Well Drilling

Before

Squeeze

After

Squeeze

Slide 17of 2130. Cementing cont’d PETE 411 Well Drilling Slide 18of 2130. Cementing cont’d PETE 411 Well DrillingTieback liner showing sealing nipple

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Slide 19of 2130. Cementing cont’d PETE 411 Well Drilling

Liner and sealing nipple

1. Reinforcing the intermediate casingworn by drilling.

2. Providing greater resistance tocollapse stress from abnormalpressures.

3. Providing corrosion protection.

4. Sealing an existing liner which maybe leaking gas.

Slide 20of 2130. Cementing cont’d PETE 411 Well Drilling

DelayedSet

Cementing

Slide 21of 2130. Cementing cont’d PETE 411 Well Drilling

ReverseCirculating

Cementing