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GET-SLWD

System Features

  1. Applying industry mainstream technologies. System highly extendable.
  2. Powered by downhole alternator.
  3. Long-lasting continuous working span with reliable performance
  4. Field inspection, assemble and disassemble easy to handle. 
  5. Fully compatible with overseas tools.
  6. Positive pulse transmission
  7. Full range of specifications to satisfy varied field operation

Product series
  1. GET-SLWD350
  2. GET-SLWD650
  3. GET-SLWD1200
GET-SLWD

Specifications

Type

350

650

1200

Drill Collar OD

4-3/4"

6-3/4"

8"

9-1/2"

121mm

171.5mm

203.2mm

241mm

Drill Collar ID

2.815"

2.815"

3-1/4"

3-1/4"

71.44mm

71.44mm

82.55mm

82.55mm

Connection Buckle

311脳310

411脳410

631脳630

731脳730

3-1/2 " IF

4-1/2 " IF

6-5/8 " REG

7-5/8 " REG






Downhole Working Condition

System

GET-SLWD350

GET-SLWD650

GET-SLWD1200

Mud Rate

9.5锝22.1 L/s

14.2锝41.0 L/s

22.1锝75.7 L/s

Mud Type

Water/Oil Based Mud

Water/Oil Based Mud

Water/Oil Based Mud

Max Mud Density

2.156g/cm3

2.156g/cm3

2.156g/cm3

Sand Content

<1%

<1%

<1%

Max Mud Viscosity

<50 cp

<50 cp

<50 cp

Pressure Drop

130-300psi锛坵ater銆250-1000gpm锛

130-300psi锛坵ater銆250-1000gpm锛

130-300psi锛坵ater銆250-1000gpm锛

Max Working Temp

125/150鈩

125/150鈩

125/150鈩

Lost Circulation Material

Prohibited

Prohibited

Prohibited

Drill Pipe Filter

Required

Required

Required

Pulse Signal Type

Positive

Positive

Positive








Pulser Technical Parameter

Pressure Rating

120Mpa

Max  Operation Time Without Large-Scale Repair

200hr

Max Working Temp

125/150鈩

Signal Transmission Depth

锛5000m

Shock

10000m/s2锛0.2ms锛1/2sin锛

Vibration

200m/s2锛10锝200Hz锛




Directional probe performance indicators

Inclination

卤0.1掳

Max Working Temp

125/150鈩

Azimuth

卤0.3掳

Pressure Rating

120MPa

Toolface

卤0.1掳

Probe Length

1950mm

Transmission Frequency

0.5/0.8Hz

Probe OD

1-3/4鈥



Gamma Probe Performance Indicators

Accuracy

卤5%

Max Working Temperature

0 to 150掳C

Storage Temp

-25掳 to +160掳C

Power Consumption

+15V @ 40mA
+30V @ 20mA

Vibration

1000G 1ms 
1000G 1ms half sine wave

Shock

10 G rms, 50-250Hz