SHANDONG SAIGAO GROUP CORPORATION
SHANDONG SAIGAO GROUP CORPORATION
  • LZ178 Down-hole Motor

LZ178 Down-hole Motor

The following is a detailed introduction about LZ178 Down-hole Motor


Working principle of LZ178 Down-hole Motor

The mud liquid pumped out by the mud pump flows through the bypass valve into the motor, forming a certain pressure difference at the inlet and outlet of the motor, pushing the rotor of the motor to rotate around the axis of the stator, and transmitting the speed and torque to the drill bit through the universal joint and transmission shaft, thus achieving drilling operations.


Structural composition of LZ178 Down-hole Motor

Bypass valve assembly;

Motor assembly (stator and rotor);

Universal joint assembly;

Transmission shaft assembly.


Application scenarios of LZ178 Down-hole Motor

1. Oil and gas exploration and development: Widely used in drilling operations such as directional wells, horizontal wells, and extended reach wells, it can improve oil and gas recovery and reduce development costs.


2. Geothermal resource development: Used for drilling geothermal wells, which can efficiently penetrate geological formations and obtain geothermal resources.


3. Geological exploration: In geological exploration work, it can be used to obtain underground rock samples, understand the stratigraphic structure and geological structure.


Technical parameters of LZ178 Down-hole Motor

Model

4LZ178×7.0Ⅶ

Bit Size

in

8 3/8– 9 7/8

OD

mm

178

ABH

°

-

Lobe


4:5

Stages


7

Pressure

MPa

5.6

Flow Rate

L/s

18-25-32

Flow Per Revolution

L/r

8

Bit Speed

rpm

135-188-240

Torque

N·m

6050

Max.torque

N·m

10890

Output Power

kw

101-180

Weight on Bit

KN

100

Max. Weight on Bit

KN

160

Connection

Top Female Thread REG

4 1/2

Bottom Female Thread REG

4 1/2

Length

mm

8565

Weight

kg

1190


PRODUCT
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