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HOME
-
ABOUT
-
PRODUCTS
- DRILLING TOOLS
- DRILLING MOTORS
- STABILIZERS
- DRILL COLLARS
- DRILLING JARS
- HYDRAULIC AGITATOR
- ANTI STICK-SLIP TOOL
- MULTIPLE ACTIVATION BYPASS VALVE
- DRILL PIPES
- NON-ROTATING PROTECTOR
- X-OVER & SUBS
- DRILL BITS
- MICRO REAMER
- FISHING TOOLS
- RELEASING SPEAR
- RELEASING AND CIRCULATING OVERSHOT
- REVERSE CIRCULATION JUNK BASKET
- JUNK SUB
- FISHING MAGNET
- SAFETY JOINT
- TAPER TAP
- DIE COLLAR
- IMPRESSION BLOCK
- DITCH MAGNET
- MILLING SHOES
- WASHOVER PIPE
- IBOPs
- KELLY VALVE
- FLOAT VALVE
- FULL OPENING SAFETY VALVE
- TOP DRIVE IBOP
- INSIDE BOP
- DROP-IN CHECK VALVE
- WELLBORE CLEANING TOOLS
- CASING SCRAPER
- NON-ROTARY CASING SCRAPER
- CASING BRUSH
- CUTTING BED IMPELLER
- STRING MAGNET
- ROTARY CASING GUIDER
- CASING CUTTER
- SECTION MILL
- WELLHEAD TOOLS
- ELEVATORS
- ELEVATOR LINKS
- POWER TONGS
- MANUAL TONGS
- SLIPS
- SPIDERS
- SPINNING WRENCH
- BUSHINGS
- DRILLING EQUIPMENTS
- MUD PUMP
- VALVE SEAT AND BODY
- PISTON
- CYLINDER LINER
- HYDRAULIC BUCKING UNIT
- JAR TESTER
- FRAC PUMP VALVE RUBBER
- FRAC PUMP VALVE BODY
- FRAC PUMP VALVE SEAT
- FRAC PUMP PLUNGER PACKING
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PRESS
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CONTACT
DROP IN CHECK VALVE
TECHNICAL SUMMARY
The Drop-in Check Valve is a downhole drill string well control valve, ideal for offshore floating drilling units. At the first sign of a kick, it’s dropped into the drill pipe bore, auto-seating on a pre-installed landing sub. Its single-flow design blocks upward high-pressure fluid in the drill string, simplifying blowout control when paired with annular wellbore isolation.
Compatible with API connections (NC31 to 7 ⅝REG) and rated for 35–70MPa working pressure, this compact, platform-stored tool enables fast field response. It reduces kick-related operational risks by adding a critical inner-drill-string barrier for onshore/offshore drilling.
DROP IN CHECK VALVE
|
Model |
Valve Assembly O.D. |
Landing Sub |
Working Pressure |
OAL |
Connection |
|
|
O.D. |
I.D. |
|||||
|
mm (inch) |
mm (inch) |
mm (inch) |
MPa (PSI) |
mm (ft) |
||
|
FT105 |
39(1-17/32) |
104.8(4-1/8) |
40.5(1-19/32) |
35 ~ 70 (5,000 ~ 10,000) |
572(1.9) |
NC31 |
|
FT121 |
51(2-1/64) |
121 (4-3/4) |
53(2-3/32) |
794(2.6) |
NC38 |
|
|
FT127 |
52(2-1/16) |
127 (5) |
54 (2-1/8) |
794(2.6) |
NC38 |
|
|
FT159 |
68(2-11/16) |
159 (6-1/4) |
70(2-3/4) |
867 (2.8) |
NC46 |
|
|
FT162 |
69(2-23/32) |
162(6 3/8) |
71.4(2-13/16) |
872(2.9) |
NC50 |
|
|
FT165 |
67(2-41/64) |
165 (6-1/2) |
69(2-23/32) |
872(2.9) |
NC50 |
|
|
FT168 |
67(2-41/64) |
168 (6 5/8) |
69(2-23/32) |
867 (2.8) |
NC50 |
|
|
FT190 |
78(3-5/64) |
190 (7-1/2) |
80(3-9/64) |
906 (3) |
5-1/2FH |
|
|
FT203 |
74 (2-29/32) |
203 (8) |
76.2 (3) |
883(2.9) |
6-5/8FH |
|
SPECIFICATION
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