The Rotary Valve Mud Pulse Generator is a core downhole tool of the 200°C ZTMWD-XT Measurement While Drilling system(MWD), responsible for generating and transmitting downhole data signals.
Specification Parameters
|
Parameter |
Specification Value |
|
Signal Transmission |
Positive pulse |
|
Pulse Height |
Adjustable |
|
Mount Form |
Fixed |
|
Activation |
Electromechanical |
|
DC Input Voltage Range |
+28~+40VDC |
|
Pulser Sub O.D. |
9.5in(241mm), 8in(203mm), 6.25~6.75in(159~171mm), 4.75in(121mm) |
|
Flow Ranges |
9.5in and above: 650~1200gpm (41~76L/s); 8in: 300~1100gpm (19~69L/s); 6.25~6.75in: 150~750gpm (9~47L/s); 4.75in: 125~350gpm (7.9~22L/s) |
|
Sand Content |
Recommended less than 1%, maximum not exceeding 3% |
|
LCM Tolerance |
50lb/bbl (143kg/m³) medium particle size lost circulation materials |
|
Maximum Dogleg Severity |
API thread requirements |
|
Operating Temperature |
-40~+200℃ |
|
Maximum Pressure |
20000psi (pressure cylinder diameter φ47.6mm)/25000psi (pressure cylinder diameter φ52mm) |
Product Application
The key downhole tool of ZTMWD-XT MWD system
Specifically designed for ultra-high temperature and high-pressure downhole environments.
Ensuring stable, uninterrupted signal transmission in demanding applications such as deep wells and geothermal drilling.
Product Feature
Engineered to Resist Jamming
The rotating valve design shears lost circulation materials during operation to prevent sticking.
Superior Durability
Features an all-metal MCM driver circuit with significantly enhanced lifespan and vibration resistance.
Reliable Signal in Extreme Heat
Designed for 200°C environments, ensuring dependable data transmission.
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