长城钻探GW-PWD系统和HVDS等开窗工具介绍.doc

Specifications of GW-PWD System HVDS Window Cutting Tools Specifications of GW-PWD System PWD Down-hole Pressure Sensor Specification Tool Type PWD-120 4 3/4” PWD-172 6 3/4” PWD-203 8” Resolution 1 psi Accuracy ±8 psi Repeatability ±3 psi Measurement Range 0~20000 psi Temperature Range 0 ~ 150° PWD Vibration Specification Tool Type PWD-120 4 3/4” PWD-172 6 3/4” PWD-203 8” Vibration (Lateral and Axial) Measurement 0-50g (RMS, 30 seconds) Resolution 0.05g (Max) Accuracy ±0.1g (Max) Data Output Range 0-15 (50g/3.125g) Shock (Lateral and Axial) Threshold 50g Unit CPS Data Output Range 0-3 Shock risk level Instruction 0 No risk 1 Medium risk 2 High risk 3 Risk of tool failure Specifications of GW-LWD (BWR) System PWD should be combined with GW-MWD or GW-LWD. It can’t be used alone, so we provide the specification of GW-LWD shown as follows: General Tool Specifications Tool Type BWR-120 BWR-172 BWR-203 Collar OD 120mm 4 3/4” 172mm 6 3/4” 203mm 8” Equivalent Stiffness 4.597 in x 2.250 in (11.676 cm x 5.715 cm) 6.625 in×2.810 in （16.82cm×7.14cm） 8.23in×4.005 in （20.90cm×10.17cm） Total Length 12.0m 13.40m 13.40 Borehole Size 149mm～172mm 5 7/8”～6 3/4” 215.9mm～311mm 8 1/2”～12 1/4” 311～445mm 12 1/4”～17” Tool Connections 310x311 410x411 630×631 Flow Rates 9.5～22.1 L/s 150～350 gpm 22.0～50.4L/s 350～800 gpm 28.4～63.0L/s 450～1000 gpm Measuring Point (From Bottom of The Tool) Gamma Sensor 1m 1m 1m Resistivity Sensor 4.0 m 3.2m 3.2m Directional Sensor 8m 7.9m 7.9m Dogleg Severity Sliding 30°/30m 30°/100ft 16°/30m 16°/100ft 8.2°/30m 8.2°/100ft Rotating 12°/30m 12°/100ft 9°/30m 9°/100ft 8.2°/30m 8.2°/100ft Maximum Operating Temp 150°C (302℉) Maximum Pressure 140MPa (2,0000 psi) Pulse Type Positive Pressure Pulse Operating Specifications Sand Content 1% maximum volume recommended Mud Type No Restricted LCM Limitation Plastic viscosity50ps, fine to medium size mica LCM100Kg/(35 lb/bbl). Mud Pump 2 valve or 3 valve Vibrati