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DROP-IN CHECK VALVE

DROP-IN CHECK VALVE

投入式止回阀

PRODUCTS

DRILLING TOOLS FOR TOP DRIVE
HYDRAULIC CASING RUNNING TOOL (EXTERNAL GRIP)
HYDRAULIC CASING RUNNING TOOL (INTERNAL GRIP)
MECHANICAL CASING RUNNING TOOL (EXTERNAL GRIP)
TOP DRIVE FLOATING CUSHION SUB
IBOP FOR TOP DRIVE
JARS
QYZ HYDRAULIC DRILLING JAR
YJZ HYDRAULIC-MECHANICAL DRILLING JAR
SJYZ DOUBLE ACTING HYDRAULIC-MECHANICAL DRILLING JAR
BZ MECHANICAL DRILLING JAR
SZJS DOUBLE ACTING DRILLING ACCELERATOR
JQ-JY MECHANICAL-HYDRAULIC SHOCK SUB
JQ-YS DOUBLE WAY HYDRAULIC SHOCK SUB
JZY HYDRAULIC SHOCK SUB
JZ MECHANICAL SHOCK SUB
CSZ SUPER FISHING JAR
YJS HYDRAULIC JAR INTENSIFIER
KX FISHING BUMPERSUB
BX LUBRICATED FISHING BUMPER SUB
DX SURFACE BUMPER JAR
INSIDE BLOWOUT TOOLS
KELLY VALVE
TUBING VALVE
FULL OPENING SAFETY VALVE
INSIDE BOP VALVE
FPJ INSIDE BOP VALVE
ARROW TYPE CHECK VALVE
RETRIEVABLE DROP-IN CHECK VALVE
DROP-INCHECKVALVE
PLATE CHECK VALVE
BALL CHECK VALVE
FLOAT VALVE
HOLE OPENING TOOLS
HOLE OPENER
UNDER REAMER
DOG LET REAMER
STABILIZERS
INTEGRAL BLADE STABILIZER
SPECIAL STABILIZER WITH REAMER AND BACK-REAMER
REPLACEABLE SLEEVE STABILIZER
NON-ROTATING STABILIZER
HYDRAULIC VARIABLE GAUGE STABILIZER
SJ-TY INTERCHANGEABLE BLADES STABILIZER
ROLLER REAMER
DR ROLLER REAMER
FISHING TOOLS
RELEASING AND CIRCULATING OVERSHOT
SHORT CATCH RELEASING OVERSHOT
SUCKER ROD OVERSHOT
SHORT CATCH SUCKER ROD OVERSHOT
RELEASING SPEAR
RELEASING BACK OFF SPEAR
SLIDING BLOCK SPEAR
AZ CASING SPEAR
REVERSE CIRCULATING JUNK BASKET
ITCO JUNK BASKET
JUNK SUB
FISHING MAGNET
REVERSE CIRCULATING FISHING MAGNET
TAPER TAP
DIE COLLAR
THREE-BALL FISHER
EXTERNAL HOOK
INTERNAL HOOK
RING FISHING MAGNET
LONG-SHAPED FISHING MAGNET
HALF-OPEN FISHING MAGNET
MILLING TOOLS
JUNK MILL
TAPER MILL
CONCAVE MILL
ECONOMILL
BLADED JUNK MILL
STRING MILL
PILOT MILL
SKIRTED JUNK MILL
INCIDENT HANDLING TOOLS
MULTI-CYCLE CIRCULATING SUB
SPECIAL BYPASS VALVE
INCREMENTAL CIRCULATING VALVE (BYPASS VALVE)
SAFETY JOINT
BACK OFF SUB
IMPRESSION BLOCK
IMPRESSION BLOCK
KEYSEAT REAMERS WITH SLIDING SLEEVE
CEMENTING TOOLS
FLOAT COLLAR & FLOAT SHOE
FLOAT SHOE, FLOAT COLLAR AND CEMENTING PLUGS STAB-IN FLOAT SHOE AND FLOAT COLLAR FLOTATION COLLAR GUIDE SHOE REAMER SHOE
CENTRAILIZER
SINGLE BOW CENTRALIZER DOUBLE BOW CENTRALIZER POSITIVE CENTRALIER WHIRL-BOW CENTRALIZER WELDED BOW CENTRALIZER WELDED RIGID CENTRALIZER SHORT RIGID CENTRALIZER WIDE-BLADE RIGID CENTRALIZER GENERAL RIGID SPIRAL CENTRALIZER (aluminum alloy） WIDE-BLADE SPRIAL CENTRALIZER GENERAL RIGID SPIRAL CENTRALIZER (high-molecule） STRAIGHT BLADE RIGID CENTRALIZER ROLLER STRAIGHT BLADE RIGID CENTRALIZER ROLLER SPIRAL RIGID CENTRALIZER( hIgh-molecule) UNITARY SPIRAL RIGID CENTRALIZER UNITARY SEMI-FLEXIBLE CENTRALIZER
STOP COLLAR
NSJSC1 STOP COLLAR NSJSC2 STOP COLLAR NSJSC3 STOP COLLAR NSJSC4 ENFORCED STOP COLLAR NSJSC5 LOSSLESS STOP COLLAR
CEMENT HEAD
SINGLE-PLUG CEMENT HEAD DOUBLE-PLUG CEMENT HEAD DRILL-PIPE CEMENT HEAD
LINER HANGER
DYX-A HYDRAULIC LINER HANGER SYX-A HYDRAULIC LINER HANGER SSX-A HYDRAULIC LINER HANGER J-A MECHANICAL LINER HANGER LINER HANGER WITH TOP PACKER JRKN-A SLIPS EMBEDDED LINER HANGER SETTING TOOLS OF HYDRAULIC LINER HANGER PUMP DOWN PLUG LINER WIPER PLUG SEALING ASSEMBLY LANDING COLLAR TIE-BACK SEAL NIPPLE HC-D TIE-BACK SEAL NIPPLE WITH PACKER POLISHED BORE RECEPTACLE HXX MILLING SHOE
STAGE CEMENTING COLLAR
MSC-A MECHANICAL STAGE CEMENTING COLLAER HSC-A HYDRAULIC STAGE CEMENTING COLLAR STAGE CEMENTING COLLAR ACCESSORIES
OTHER AUXILIARY TOOLS
UMBRELLA-SHAPE CEMENT BASKETS LANTERN-SHAPE CEMENT BASKETS SCRATCHERS MUD FLUID DIRECTOR
CASING ACCESSORIES
MULTI-FUCTION CASING SCRAPER
CASING SCRAPER
JY CASING SCRAPER
MARINE CASING CUTTER
MECHANICAL INTERNAL CUTTER
MECHANICAL EXTERNAL CUTTER
WASHOVER PIPE
QUICK-OPERATING THREAD PROTECTOR
CUP TESTER
CASING SWAGE
DMS CASING ANCHOR
SUBS AND TOOL JOINTS
CROSSOVER SUB
FLOAT VALVE SUB
TOOL JOINT
KELLY SAVER SUB
WEAR RUBBER
CIRCULATING SUB
TORQUE REDUCTION SUB
HYDRO CLEANER
SIDE ENTRY SUB
DIRECTIONAL TOOLS
ORIENTED SUB
ORIENTED BENT SUB
WELL HEAD TOOLS
MUD BUCKET
WIPER
LIFTING CAP/PLUG
ROLLER KELLY BUSHING
DITCH MAGNETS
STABING GUIDE
BIT BREAKER
SAFETY CLAMPS
SUCKER ROD WRENCHES
SUCKER ROD HOOKS
CASING BUSHINGS AND INSERT BOWLS
MASTER BUSHING AND INSERT BOWLS
MANUAL TONGS
LINKS
ELEVATOR
TYPE DDZ ELEVATOR TYPE TA ELEVATOR TYPE SLX ELEVATOR Y SERIES SLIP TYPE ELEVATOR TYPE CDZ ELEVATOR TYPE CD ELEVATOR TYPE SJ ELEVATOR TYPE DD ELEVATOR SUCKER ROD ELEVATOR
SLIP
TYPE SD DRILL PIPE SLIP CASING SLIPS TYPE UC-3 CASING SLIPS TYPE CMS DRILL PIPE SLIPS TYPE DU DRILL COLLAR SLIPS TYPE DCS SE SERIES SLIP
SPIDER
TS TUBING/CASING SPIDER API SPIDERS JOY CASING SPIDER PNEUMATIC SPIDERS
DRILL PIPES & DRILL COLLARS
DRILL PIPE
HEAVY WEIGHT DRILL PIPE
DRILL COLLAR
PONY DRILL PIPE
PONY DRILL COLLAR
CASINGS & TUBINGS
CASING
TUBING
PUP JOINT
COUPLING
DOWNHOLE MOTORS
HYDRAULIC BUCKING UNIT
产品分类
Description
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　　Drop-in check valve is a inside blowout control valve. It can also be used for cutting drill pipe on all kinds of offshore drilling floating equipment. It has a landing sub, which connect the needed position of drill string and put into the well, in order to check valve assembly in place.Drop-in check valve is a kind of check valve, and check valve store on the platform, when the blowout signal is found, drop it into drill pipe and pump down in place, When the high pressure flow upwelling, the check valve cuts off the high-pressure flow injected upward in the drill string, thereby achieving the purpose of blowout prevention.

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    INSIDE BOP VALVE

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    　　Inside BOP Valve is a kind of check valve with large pressure drop, tapered plug of valve, reduces cutting action of the mud on the seat, to ensure that the correct closed position. Inside BOP Valve connected with drill string can protect swivel, hose and stand pipe. It also can be used before high pressure pump, prevent high pressure blowout. A dedicated release tool keeps the valve normally open and allows reverse flow to pass. This dedicated release tool pre-installed in the valve and the assembly prepared on the drilling platform, for quick installed on the drill stringwhen the first signalappears from the well.
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