Retrievable Drop-in Check Valve

Retrievable Drop-in Check Valve

Retrievable drop-in check valve is a drill string inside BOP valve. It has a landing sub and connected to the right position of drill string, then put into the well, to help the check valve assembly into place. Retrievable drop-in check valve is one kind of one way check valve to prevent back flow when well kick. It allows fluid down to return well.This valve can control pressure in the drilling process and improve the well control obviously. As long as drop in, it can be into place on the land sub automatically, easy operate, so that achieve the purpose of the blowout control. In addition, compared with other previous dropin check valve, the disassembly of this check valve can save a lot of manpower and material resources.

Specification

Modbl

Check
ValveAssy.
OD mm(inch)

Landing Sub

Conn.

Working
Pressure
(MPa)

OAL
mm(inch)

OD mm(inch)

ID mm(inch)

HFT121

60.5(2 19/50)

121(4 3/4)

50.8(2)

NC38

35,70

776(30 11/20)

HFT127

127(5)

HFT165

73(2 7/8)　

165(6 1/2)

71.4
(2 13/16)

NC50

35,70

804(31 21/32)

HFT168

168(6 5/8)

 


Related Products
IBOP for top drive
IBOP for top drive
Float Valve & Float Valve Subs
Float Valve & Float Valve Subs
Full Opening Safety Valve
Full Opening Safety Valve
Kelly valve
Kelly valve
Categories
Hot Products
  • standard OD oil Casing pipe

    standard OD oil Casing pipe

    Description: Size:4-1/2"~30": Thread:LC,SC,BC.RT—BC,100% replace premium connection，for example:Vam and Hunting Grade:All grade of API

  • Big OD oil Casing pipe

    Big OD oil Casing pipe

    We are the specialist of making large OD casing pipe,from 20" to30". We are the only one manufacturer in China with the capacity to produce casing pipes as large as 30".Our premium connection RT J-DTG3 is specially designed for the casing with OD above 14

  • API J55 Oil Casing pipe

    API J55 Oil Casing pipe

    Oil casing is mainly used to support the well wall during the drilling process and after the completion of the well, so as to ensure the drilling process and the normal operation of the whole well after the completion of the well. It is the lifeline to ma

  • API-N80 Oil Casing pipe

    API-N80 Oil Casing pipe

    Oil casing is the lifeline to maintain the operation of the oil well. It is mainly used for the drilling and transportation of oil and gas Wells, and for supporting the well wall during the drilling process and after the completion of the well, so as to e

Contact Us
Deutsch Espanol Francais Italiano Portugues Japanese Korean Arabic Russian
Products Catalogue

Inside Blowout Control Tools
Subs &Tool Joints
Downhole Drilling tools
Wellhead Equipment and Tools
Oil Country Tubular Goods
Fishing & Milling Tools
Drilling jars
Cementing tools and Casing accessaries
Mud pump spare parts

Contacts
Contact Form

Send Email

Skype

WhatsApp

Scan Our Wechat

LiveChatX