GE Surface Time-Saving Wellheads Quick start guide

Brand: GE

Model: Surface Time-Saving Wellheads

Type: Quick start guide

GE Oil & Gas

Where risers or rig oor limitations drive you to welding on

a conventional casing head, the SCH1 Casing Head is a

cost-eective alternative. Run with the surface casing string

through the riser and using normal cementing operations, the

SCH1 casing head is immediately available for BOP nipple-up

when the riser is removed. Eliminating the casing head weld:

• improves safety,

• saves valuable rig time, and

• facilitates multi-well drilling programs from a common

location by eliminating “hot” operations.

By installing the support ring below the SCH1, the surface

casing is supported by the conductor casing, eliminating the

wait-on-cement (WOC) time associated with conventional

equipment.

More time can be saved by removing the riser and attaching

the BOP stack to the casing head with the optional DVC speed

connector. The use of the DVC connector saves additional

nipple-up time during drilling. If the DVC speed connector is

not used, the threaded-on hold-down ange can be attached

to the casing head and the BOP will be made up with a

traditional ange. Once the hold-down ange is installed, this

head has the same prole as a conventional head, allowing

the use of standard components above it.

With the pre-installed pup joint (nipple), no WOC time, and the

use of the DVC speed connector, our customers can expect to

save in excess of 10 hours of valuable rig time, per well.

Features —

• No welding required to install riser on conductor

• No waiting on cement required when running surface

casing

• Installed through drilling riser as part of surface casing

string

• No welding required to install the casing head

• Allows normal cementing operations including “top-o”

Time-Saving Wellheads

Pressure Control SCH1 Casing Head

Top Flange

Size

Top Flange

Pressure (psi)

Surface

Casing

Production Casing

or Tubingless

Completion (TLC)

Minimum

Riser ID

9”

3,000

7-5/8” 2-7/8” thru 5”

13-5/8”

8-5/8” 2-7/8” thru 5-1/2”

5,000

7-5/8” 2-7/8” thru 5”

8-5/8” 2-7/8” thru 5-1/2”

11”

3,000

8-5/8” 2-7/8” thru 5-1/2”

15-3/8”

9-5/8” 2-7/8” thru 7”

5,000

8-5/8” 2-7/8” thru 5-1/2”

9-5/8” 2-7/8” thru 7”

295-2807

Hold-Down

Flange

Split Support Ring

Conductor

Surface Casing

Production Casing

DVC Connector Prole

Landing Ring

• Field-proven DVC adapter provides safe BOP nipple-up

and nipple-down in a few minutes

• Standard W2 bowl prole accepts entire family of W

casing hangers for a wide range of production casing

sizes

• Accepts all T and MTH2 tubing heads for 3,000, 5,000 or

10,000 psi working pressures

Availability —

10/13, PC #05-0112 rev 2

geoilandgas.com/pressurecontrol

Key Stages of SCH1 Installation —

No Welding Needed

• Riser assembly is made up or removed

in ve minutes, without welding or

cutting torches

• The diverter adapter remains on the

riser assembly from well to well

Stage 1

295-3535_1

Riser height and owline

are custom fabricated for

each rig.

Drilling Surface Hole

Riser Drain Valve

(Recommended)

Riser

LRC Riser

Connector

1” LP

Sight Port

Landing Ring

Run in ALL

6 Set Screws

O-Rings

Ground Level

Conductor

Time Saving

• No “wait-on-cement” time

• Riser assembly lifts o quickly

• Cement can be “topped o”

• No welding time to install casing head

Stage 2

295-3535_2

Hang O Surface Casing

AND Casing Head

Running Tool

SCH1 Casing Head

Cement Seal

Verify Landing

Through Sight Hole

Pup Joint

2” LP Flush Plug

Split Support Ring With

Circulation Flutes

Surface Casing

Conductor

Variety of Options for Fracturing

and Completion

• For 9” SCH1 casing head, any tubing

head with 9” 3,000 or 9” 5,000 API

bottom can be installed

• For 11” SCH1 casing head, any tubing

head with 11” 3,000 or 11” 5,000 API

bottom can be installed

• Tubing heads may be

– Type ‘T’

– Type ‘T’ prep for fracturing sleeve

– MTH2

Stage 4

295-3535_4

Surface Casing

Conductor

Production Casing

Install Any API Flanged

Tubing Head

3,000 psi or 5,000 psi

Hold-Down Flange

Time Saving and Improved Safety

• Outlet valves, etc. are installed

• DVC adapter attached to the BOP is

made up or removed in 10 minutes,

without studs or hammer wrenches

• The DVC adapter remains on the BOP

stack from well to well

Stage 3

295-3535_3

Drilling Production Hole

Conductor

Surface Casing

27.79”

Drive Screws

Wear Bushing

Retainer Screws

BOP Stack

Test Port

Lock Ring

(Engaged)

SCH1 Casing Head

GE Surface Time-Saving Wellheads Quick start guide

GE Surface Time-Saving Wellheads Quick start guide

GE Surface Time-Saving Wellheads Quick start guide

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