HS Premium Connection

Connection

Size(mm)

Structure features

Typical application

HSM-1

60.32~339.72

lmproved buttress thread;Cone metal/metal seal;Reverse torque shoulder

High pressure gas well and other complex working conditions

HSM-2

60.32~339.72

Hook thread;Improwed clearance on thread gulding Surface and torque shoulder,Reverse shoulder;Cone metal/metal seal

ultra-deep well,large extended-reach well,high temperature and high pressure gas well and other complex working condlitions

HSM-2-HC

127.00~244.48

Hook thread;Improved clearance on thread guiding surface and torque shoulder;Reverse shoulder;
Cone metal/metal seal;lncreased shoulder thickness

Ultra-deep well,high temperature and high pressure gas well,inclined well,horizontal well,working
conditions requiring working string rotation and other complex working conditions

HSG3

127.00~508.00

lmproved hook thread and increased poslitive angle of guiding surface;Design of combined seal
structures

High temperature and pressure well,inclined well,horizontal well,large extended-reach well and other complex working conditions

HSTS

60.32~114.30

Double cylinder thread;Double-shoulder;metal/metal sealing structure;flush joint writh upsetting inside and outside

Deep well,high pressure well.horizontal well,well containing sour gas and other harsh service environment

HSFJ

73.02~298.45

Hook thread;OD of connection the same as that of pipe body;Inside and outside doube-cone seal structure;Flush joint

Well conditions with special requirements for annular clearance and connection strength

HSG3-FJ

177.80~298.45

lmproved hook thread for increased positive angle of guiding surface;Outslde cone seal;Inside
combination seal;Thick-walled flush joint

Salt-rock layer,gymsum-rock layer,inclined well,horizontal well,large extended-reach well.
well conditions with requirement for annular clearance and other complex well conditions

HSQR

339.72~508.00

Large-angle guiding surface;Large thread distance;Large cone;Thread seal

Guiding pipe,surface casing,intermediate casing and other pipes requiring quick make-up

HSN

114.30~339.72

APl buttress thread connection interchangeable with API BC;Thread seal,lnner right angle shoulder,lnner flush

Rotary tail pipe for cementing and well conditions requiring the connection to be interchanged with API BC connection