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Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Specifications
Brand Name :
TIPTOP
Model Number :
Circulating sub​
Certification :
Inspection Certificate
Place of Origin :
China
MOQ :
Negotiation
Price :
Negotiation
Payment Terms :
T/T, L/C, D/A, D/P
Supply Ability :
20000 pcs per month
Delivery Time :
20~30 days
Packaging Details :
Seaworthy Package
Product :
Circulating sub​
Standard :
API
Material :
Steel
Specification :
All specifications
Colour :
Blue
Processing Type :
Forging
Description

Oil Well Drilling Tools - All specifications circulating sub​ API standard

Introduction

Circulating sub is installed in the top of drilling stem. The upper thread is connected with circulating system of casing, tubing, and union thread to circulate the drilling fluid. It divided into casing circulating sub, tubing circulating sub, union circulating sub and tee sub.

Construction
The circulating sub during running casing is equipped with casing pin thread on one end or DP thread and DP box thread or union thread on other end.

Specification:

Pump-in sub

Model Specifications

Exradius OD

mm(inch)

Inradius ID

mm(inch)

 Connecting thread
BJST86 2-3/8 85.7(3 3/8) 38.1(1 1/2) 2A10×2A11×2″1502
BJST121 3-1/2 121(4 3/4) 57.2(2 1/4) 310×311×2″1502
BJST168 5 168.3(6 5/8) 71.4(2 13/16) 410×411×2″1502
BJST178 5-1/2 178(7) 71.4(2 13/16) 520×521×2″1502

Circulating sub

Model Specification size

Exradius OD

mm(inch)

Inradius ID

mm(inch)

 Connecting thread
XJZ86 2-3/8 85.7(3 3/8) 31.8 2A11×2″1502
XJZ105 2-7/8 104.8(4 1/8) 38.1(1 1/2) 211×2″1502
XJZ121 3-1/2 121(4 3/4) 44.5(1 3/4) 311×2″1502
XJZ168 5 168.3(6 5/8) 44.5(1 3/4) 411×2″1502
XJZ178 5-1/2 177.8(7) 44.5(1 3/4) 521×2″1502
XJZ178B 7 177.8(7) 44.5(1 3/4) 7 BCSG P×2″1502union
XJZ245 9-5/8 244.5(9-5/8) 44.5(1 3/4) 9-5/8 BCSG P×2″150union
XJZ340 13-3/8 340.1(13-3/8) 44.5(1 3/4) 13-3/8 BCSG P×2″1502union
XJZ473 18-5/8 473(18-5/8) 44.5(1 3/4) 18-5/8 BCSG P×2″1502union
XJZ508 20 508(20) 44.5(1 3/4) 20 BCSG P×2″1502union

Casing and drill pipe circulating sub

Specification size Casing specifications

Exradius OD

mm(inch)

Inradius ID

mm(inch

 Connecting thread
XJZ178B 7 178(7) 71.4(2 13/16) NC50 B*7 BCSG P
XJZ244.9 9-5/8 244.5(9-5/8) 71.4(2 13/16) NC50 B*9-5/8 BCSG P
XJZ340.1 13-3/8 340.1(13-3/8) 71.4(2 13/16) NC50 B*13-3/8 BCSG P
XJZ473 18-5/8 473(18-5/8) 71.4(2 13/16) NC50 B*18-5/8 BCSG P
XJZ508 20 508(20) 71.4(2 13/16) NC50 B*20 BCSG P

Product tags

cmc oil drilling grade

,

dye penetrant testing of welds

,

used oil well drilling bits
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Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour

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Product Detail
Brand Name :
TIPTOP
Model Number :
Circulating sub​
Certification :
Inspection Certificate
Place of Origin :
China
MOQ :
Negotiation
Price :
Negotiation
Contact Supplier
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour
Steel Material Oil Well Drilling Tools Forging Circulating Sub​ Blue Colour

Xi'An Tiptop Machinery Co., Ltd.

Active Member
7 Years
Since 2006
Business Type :
Manufacturer, Distributor/Wholesaler, Agent, Exporter, Trading Company, Seller, Other
Main Products :
Downhole Drilling Tools, Downhole Fishing Tools, Downhole Mud Motor
Total Annual :
5000000-10000000
Employee Number :
50~200
Certification Level :
Active Member
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