No-Blow Tool

No-Blow Tool

Purpose

The No-Blow tool is a service tool that eliminates blowing gas and prevents pressure recorders from flowing up into the well bore. The tool comes into use during testing programs and in pipeline maintenance activities.

Description

The BT No-Blow consists of 7 components:

1. Top Sub 2. Body 3. Push Rod 4. Spring Retainers 5. Spring(s) 6. Dogs 7. Dog Cams

Operation

The BT No Blow Tool is commonly ran in conjunction with a J Unlatching Head.

Attach the No Blow Tool as well as any accessories to the tool string and lower carefully into the wellbore to desired depth, set down on pre ran no-go and “J” off using a “J” unlatching tool. Remove tool string from the wellbore.

Nominal Size

1.00”

1.25”

1.50”

Assembly Number

1201NB100A0

1201NB125A0

1201NB150A0

Item

Part Name

1

Top Sub

1201NB10001

1201NB10001

1201NB10001

2

Spring (x2)

1201NB10002

1201NB10002

1201NB10002

3

End Cap

1201NB10003

1201NB10003

1201NB10003

4

Shaft

1201NB10004

1201NB12504

1201NB15004

5

Spring Retainer

(x2)

1201NB10005

1201NB10005

1201NB10005

6

Key Housing

1201NB10006

1201NB10006

1201NB10006

7

Key

1201NB10007

1201NB10007

1201NB10007

8

Cam

1201NB10008

1201NB12508

1201NB15008

Top Thread Connection

0.500” – 13 UNC

0.500” – 13 UNC

0.500” – 13 UNC

Lower Thread

Connection

0.500” – 13 UNC

0.500” – 13 UNC

0.500” – 13 UNC

Tubing I.D

1.06”

1.40”

1.62”


Nominal Size

2 .062”

2.00”

2.50”

3.00”

Assembly Number

1201NB206A0

1201NB237A0

1201NB287A0

1201NB350A0

Item

Part Name

1

Top Sub

1201NB23701

1201NB23701

1201NB23701

1201NB23701

2

Spring (x2)

1201NB23702

1201NB23702

1201NB23702

1201NB23702

3

End Cap

1201NB23703

1201NB23703

1201NB23703

1201NB23703

4

Shaft

1201NB23704

1201NB23704

1201NB23704

1201NB35004

5

Spring Retainer (x2)

1201NB23705

1201NB23705

1201NB23705

1201NB23705

6

Key Housing

1201NB23706

1201NB23706

1201NB23706

1201NB23706

7

Key

1201NB20607

1201NB23707

1201NB28707

1201NB35007

8

Cam

1201NB23708

1201NB23708

1201NB28708

1201NB35008

Top Thread Connection

0.75” – 16 UNF

0.75” – 16 UNF

0.75” – 16 UNF

0.75” – 16 UNF

Lower Thread Connection

0.75” – 16 UNF

0.75” – 16 UNF

0.75” – 16 UNF

0.75” – 16 UNF

Max O.D. of Keys

1.80”

2.050”

2.50”

3.050”



Nominal Size

4.50”

5.00”

5.50”

7.00”

Assembly Number

1201NB450A0

1201NB450A0

1201NB550A0

1201NB700A0

Item

Part Name

1

Top Sub

1201NB45001

1201NB45001

1201NB45001

1201NB70001

2

Spring (x2)

1201NB45002

1201NB45002

1201NB45002

1201NB70002

3

End Cap

1201NB45003

1201NB45003

1201NB45003

1201NB70003

4

Shaft

1201NB45004

1201NB45004

1201NB45004

1201NB70004

5

Spring Retainer (x2)

1201NB45005

1201NB45005

1201NB45005

1201NB70005

6

Key Housing

1201NB45006

1201NB45006

1201NB45006

1201NB70006

7

Key

1201NB45007

1201NB50007

1201NB55007

1201NB70007

8

Cam

1201NB45008

1201NB45008

1201NB45008

1201NB70008

Top Thread Connection

0.938” – 10 UN

0.938” – 10 UN

0.938” – 10 UN

0.938” – 10 UN

Lower Thread Connection

0.938” – 10 UN

0.938” – 10 UN

0.938” – 10 UN

0.938” – 10 UN

Max O.D. of Keys

4.25”

4.70”

5.00”

6.43”

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