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Measure While Drilling
MWD with hang of Sub
F-Type MWD
MWD for Slim Hole
  • Power by alternator, enviroment friendly
  • Circulation time last more than 800hrs
  • Tool size: 3 1/2, 4 3/4", 6 3/4", 8 ", 9-1/2"
  • Less spares consumables, low cost
  • Bootless design, max temp. to 175℃
  • Titanium alloy or beraloy materials Probe
  • Compatiable to OBM and WBM
  • Precise components, stable and reliable
  • Design with fishing head
  • Special anti-drop configuration for horizontal hole drilling
MODEL HT-MWD-150F HT-MWD-200F HT-MWD-350F HT-MWD-650F HT-MWD-1200F
O.D. 3” (78mm) 3 3/4”(89mm) 4 3/4”(121mm) 6 3/4”(172mm) 8”(203mm)    9 1/2” (241mm)
I.D. 2.3” (58.4mm) 2.3” (58.4mm) 2.845” (72mm) 2.845-3.25”
(72-82.55mm)		 HT-MWD-1200
Connection 2-3 / 8”IF 2-3 / 8”IF 3-1 / 2”IF 3-1 / 2”IF 6-5 / 8”REG   7-5/8”REG
Flow Rate 90-200GPM
(6-12.6L/S)		 90-200GPM
(6-12.6L/S)		 150-350GPM
(9.5-22.1L/S)		 150-350GPM
(9.5-22.1L/S)		 225-1200GPM
(22.1-75.7L/S)
Max. Pressure 140Mpa
Max. Temp. 175°C
Accuracy Inc: ±0.1°, Azm:±1°
Gamma Range 0-250CPS
Pulse width 0.8s/1s
Power 30w
  • Self-powered down-hole system, environment-friendly
  • Low maintenance cost, pulser R&M interval up to 800hrs
  • Bootless pulser design, stable signal transmission
  • High temperature electronic components, no hydraulic system,the maximum static temperature reach 175 ℃
  • Could run in all borehole size
  • Probe upload modes are diversified and can be customized
  • High accuracy directional sensor
  • High grade beryllium bronze compression cylinder, high pressure resistance and vibration resistance
  • Work in water-based and oil-based mud
  • Built-in anti drop off device with fishing head design
  • Application for horizontal well operation
  • Power by alternator, enviroment friendly
  • Total length 6.5m, tool OD: 85mm, Probe OD: 45mm,
  • Hoe size: 4-1/2"
  • Flex design and stable performance for extreme high DLS application
  • Flex Non-Mag DP, higher build up rate