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Short-Radius MWD

The short-radius MWD tool is offered in a retrievable design with a bottom-mount pulser, utilizing reliable positive mud pulse technology. The surface system supports both wired and wireless data transmission modes for real-time communication, features universal plug-and-play sensor interfaces, and includes automated detection and report generation capabilities.


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Product Specifications

Product Specifications

Features

● Wired & wireless dual-mode communication

● Modular design for easy maintenance and upgrades

● Configure high-accuracy sensor assembly

● Optional Gamma & Depth Tracking System


Application

● Coal mining

● Oil & Gas drilling

● Trenchless tunneling

● Slim directional & horizontal wells


Specifications

Measurement Specifications

Inclination

0 - 180°, ±0.1°

Azimuth

0 - 360°, ±1.0°

High-side Toolface

0 - 360°, ±0.5°

Magnetic Toolface

0 - 360°, ±0.5°

Depth (Option)

0 - 9,999.99 m (32,800 ft), 1%

Gamma (Option)

Range& Accuracy: 0 - 1,000 API, ±10%

Vertical Resolution: 172 mm (6.75″)

Sensitivity: 1.5 CPS/API

Data Storage: 300h @ 10s interval

Environmental Specifications

Mud Viscosity

≤140s

Mud Density

≤2.5 g/cm³

Sand Content

<1% by volume recommended; <3% by volume maximum

Flow Range

5 - 20 L/s (80 - 320 gpm)

Signal Height

0.5 - 2.0 MPa (70 - 290 psi)

Max. Downhole RPM

250 rpm

LCM Tolerance

57 kg/m³ (20 lb/bbl) fine/medium nut plug, short fiber

General Tool Specifications

Product Model

303

304

Tool OD

Φ35 mm (1.4″)

Φ38 mm (1.5″)

Max. Operating Pressure 

140 MPa (20,000 psi)

172 MPa (25,000 psi)

Max. Operating Temperature

150°C (302°F)

175°C (347°F)

Battery Life

130h (with Gamma); 150h (without Gamma)

160h (with Gamma); 180h (without Gamma)

Flow Sub OD

Φ79, 89, 121 mm (3.125, 3.5, 4.75)

Data Storage

300h @ 10s interval

 


Other Products

Other Products

Provide advanced technology to help customers accurately detect underground resources.

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Copyright ◎ Beijing Liuhe Technology Co., Ltd. All Rights Reserved. Jing ICP Bei

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