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Directional Well Service

Brief Introduction:

Sophisticated directional measurement equipment and instruments can be provided, along with experienced professionals skilled in directional well engineering design， accurate well bore trajectory control and provide geological parameters.

Formation evaluation: it provides lithology, saturation, porosity, etc.

Drilling optimization: it offers well deviation, azimuth and tool face angle etc. satisfying drilling operation requests.

Safe and environment-friendly: controllable source makes neutron porosity logging more safe and environment-friendly.

Efficient and reliable: flexible on-site connection, fast, reliable and convenient operations.   

Item

Product Code

Material Code

Product Name

Type

Max. temperature

Max. Pressure

Length

OD

OD of mud pulse generator

Impact

Vibration

Sand content of mud

Displacement range

Mud pulse transmission rate

Deviation angle measurement range

Measurement accuracy

Tool face angle measurement range

Measurement accuracy

Measurement dynamic range

1

　

　

Directional Well Service

FELWD

155℃

140MPa

6400mm

Φ48mm

Φ85mm（for 4.75in. Drill collar）;Φ126mm（for 6.75in. Drill collar）
;Φ140mm（for 8in. Drill collar）

4900m/s2，1ms semi-sine wave

196m/s2 ，frequency sweep: 5Hz~200Hz

<1%

7L/s~15L/s （4.75in. Drill collar）;15L/s~47L/s（6.75in. Drill collar）;15L/s~60L/s（8in. Drill collar）

1bps  ~ 5bps

0°~  180°

±1.0°（well deviation angle＞6°）;±1.5°(3°＜well deviation angle≤6°;±2°（well deviation angle≤3°

0°~  360°

±1.5°（well deviation angle＞6°）;±2.5°(3°＜well deviation angle≤6°;±3°（well deviation angle≤3°

2MHz phase difference resistivity: 0.1Ω.m~2000 Ω.m;2MHz depletion resistivity: 0.1Ω.m~500 Ω.m;400KHz phase difference resistivity: 0.1Ω.m~500 Ω.m;400KHz depletion resistivity: 0.1Ω.m~200 Ω.m

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