PR Equalizing Assembly

PR Equalizing Assembly

Purpose

The PR Equalizing Assembly is used to plug off the wellbore and in conjunction with the R and RN Lock assemblies.

Description

The BT “PR” Equalizing Assembly is made of 7 components:

1. Prong Mandrel, 2. End Cap, 3. Housing, 4. Back Up Ring – Female, 5. Back Up Ring – Double Male, 6. Back Up Ring – Double Female, 7. V-Packing

Operation

Attach housing to appropriate lock mandrel and set in desired profile nipple using a “R” Running Tool. Dress prong with desired packing and lower into wellbore using a jar down Pulling Tool (A BT “SB” is recommended), jar into housing attached to bottom of lock mandrel at desired depth, jar down until pin in SB / JDC is sheared and prong is set.To remove, latch prong with desired pulling tool (always ensure pressure is equalized) jar up until prong comes free. Once the prong has been retrieved, A “ BT” GS or BT GR may be used to retrieve the lock and housing.

Precautions

Care should be taken to record wellbore pressure before plug is installed. This will aid in equalizing when retrieving operations commence.

*Specify type of V-packing when ordering.

Sizes include: 1.71, 1.78, 1.87, 2.12, 2.18, 2.31, 2.56, 2.81, 3.68, 3.81, 4.12

Nominal Size

1.71”

1.78”

1.87”

2.12”

Assembly Number

0902PR171A0

0902PR178A0

0902PR187A0

0902PR212A0

Item

Part Name


1

Prong Mandrel

0902PR17101

0902PR17801

0902PR18701

0902PR21201

2

End Cap

0902PX15004

0902PR17802

0902PR17802

0902PR17802

3

Housing

0902PR17103

0902PR17803

0902PR18703

0902PR21203

4

Housing Cap

0902PR17104

0902PR17804

0902PR17804

0902PR17804

5

Backup Ring – Female

0902BUR07101

0902BUR08101

0902BUR08101

0902BUR08101

6

Backup Ring – Male

0902BUR07102

0902BUR08102

0902BUR08102

0902BUR08102

7

Backup Ring – Double Female

0902BUR07103

0902BUR08103

0902BUR08103

0902BUR08103

8

V – Packing*

0902VP07101

0902VP08101

0902VP08101

0902VP08101

Upper Thread Connection

1.125”-16 UN 2B

1.375”-14 UN 2B

1.375” – 14 UN 2B

1.375” – 14 UN 2B

Max O.D.

1.70”

1.77”

1.865”

2.12”

Fishneck size

1.188”

1.188”

1.188”

1.188”



Nominal Size

2.18”

2.31”

2.56”

Assembly Number

0902PR218A0

0902PR231A0

0902PR256A0

Item

Part Name


1

Prong Mandrel

0902PR21801

0902PR23101

0902PR25601

2

End Cap

0902PX20002

0902PX20002

0902PX25002

3

Housing

0902PR21803

0902PR23103

0902PR25603

4

Housing Cap

0902PR21804

0902PR21804

0902PR25604

5

Backup Ring – Female

0902BUR09301

0902BUR09301

0902BUR12501

6

Backup Ring – Male

0902BUR09302

0902BUR09302

0902BUR12502

7

Backup Ring – Double Female

0902BUR09303

0902BUR09303

0902BUR12503

8

V – Packing*

0902VP09301

0902VP09301

0902VP12501

Upper Thread Connection

1.75”-12 UN 2B

1.75”-12 UN 2B

2.00”-12 SLB-2B

Max O.D.

2.18”

2.307”

2.555”

Fishneck size

1.375”

1.375”

1.375”



* Other Sizes Available Upon Request - 2.81, 3.68, 3.81, 4.12 *

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