Replaceable sleeve stabilizer Bit dia (in) Drill Collar Dia (in) Stabilizer Sleeve Thebody Threadonbothends Length Work OD Upset end dia Upset end length Fishing neck length I
Lift Sub Norminalsize D±0.08 (1/32 mm(in) ID Externalthread Liftend Typesofthread OD Dp±0.08 (±1/32) Mm(in) Bevel Dia. Df/mm Lengthofac
Drill Stablizer BitOD ID OAL Threadconnection short long drillstring nearbit nearbit drillstring nearbit drillstring up down up down 6 51 800 900 1000 1100 1600 1700
kelly cock valve UpperKellyCock Type OD Waterholediameter mm(in) Jointthread Workingpressure Suitablerange CS146 146(53/4) 54(21/8) 41/2 REG-LH 3570Mpa Tetragonalandh
casing scraper Type Bodyexternal diameter Max.external diameterof cutterblade Min.external diameterof cutterblade Jointthread waterhole GX-T114 90 107 94 NC26 15 GX
Roller Reamer NO Holesize RollerReamer Connection MaxOD mm OAL NeckOD (mm) RollerOD (mm) Rollerlength (mm) 1 28″ 75/8REG 711.2 2350 229 178 400 2 26″
X-over Sub Largeend Diametermm(in) Smallend Diametermm(in) ID mm(in) ODofjointmm(in) Smalldiameteroflargeend mm(in) ID mm(in) 17/8 17/8 19/16 23/8 25/8 131/32 2
die collar Die Collars Die collar is a special external fishing tool which is engaged on the outside wall of tubing objects such as oil tubing and drill pipe. I
releasing spear Releasing Spears In drilling and work over operation, LM-T type releasing spear is a tool mainly used for fishing of drill pipe, oil pipe and casing
releasing and circulating overshot Releasing and Circulating OvershotReleasing and circulating overshot is LT-T type special external fishing tool used for fishing drill collar, drill
