hole opener/ under reamer
Under reamer is used for enlarging small size well hole, it is divided into UR-I and UR-II...
float shoes/ float collars/ cementing plug/ stabi-in PDC drillable float collar
float shoes/ float collars/ cementing plug/ stabi-in PDC...
lifting sub/ drill pipe wiper/ bit breaker/ kelly bushing/ mud bucket/ API drift
lifting sub/ drill pipe wiper/ bit breaker/ kelly bushing/...
multicycle circulating sub/bypass valve/MCCS/PBL
they provide circulating cooperating between inner hole and...
IBOP for top drive/kelly valve/ IBOP/FOSV
We have two types structures, this is VARCO company's, this...
casing run tools/ CRT
Casing running tool is one tools based on top drive system for running casing operation....
drilling jar/ full mechanical drilling jar/ double acting drilling jar
We have four types drilling jar as them, all of them...
fishing oil jar/ jar intensifer/ bumper sub/ surface bumper jar
our fishing jar mainly include super fishing jar, jar...
casing scraper/ cup tester /tester plug
heilongjiang north shuangjia drilling tools co., ltd which...
core tool/ coring tools
heilongjiang north shuangjia drilling tools co., ltd which specializes in manufacturing...
washover pipe & driver sub & accessories
it mainly used in washover and core tools, consists of drive...
crossover sub/circulating sub/ saver sub/bit sub/ float sub/wear sub
It consists of circulating sub, crossover sub, wear sub and...
junk mill/ mill shoes
it is mainly used to mill away struck fishing, it has flat bottom and concave junk mill,...
IBOP valve/ FOSV/kelly valve/retrievable drop-in check valve/float valve
heilongjiang north shuangjia drilling tools co., ltd which...
overshot/ junk basket/ fishing spear/ junk sub/ fishing magnet/ ditch magnet/taper tap/ die collar
overshot/ junk basket/ fishing spear/ junk sub/ fishing...
marine casing cutter/mechanical internal cutter
it cut from internal of pipe, marine casing cutter is...