Home > Products > Drilling Motors > Motors For Drilling > Oil Base Mud Resistant Downhole Motors

Oil Base Mud Resistant Downhole Motors

Min. Order:
1
Share:
  • Product Description
Overview

Oil based drilling fluid system has plenty of advantages such as stronger adaptive faculty of wells' temperature, nice protection from reservoir and anti-pollution of gypsum. Therefore,

oil resistant screw drilling downhole motor is a significant type of Downhole Motors. Oil resistant PDM drills solve the problem about short service life caused by oil base. Oil

resistant downhole motors are more durable than normal downhole motors.


Oil Resistant Screw Drilling Downhole Motor

     

Principle: Downhole motor is a kind of downhole dynamic drilling tool upon the power of drilling mud. Mud stream from the outlet of mud pump flows through a by-pass valve into the

motor. This stream produces pressure loss at both inlet and outlet of the pump to push the rotor into rotating, and to transmit the torque and speed onto the bit. The downhole motor

property mainly depends upon its property parameters.


Constitution: Downhole motor is composed of five assemblies: by-pass valve, motor, anti-drop, cardan shaft and drive shaft.


The down-hole motor is a positive-displacement down-hole motor. It converts the high pressure fluid power of the mud into the mechanical energy of drill bit rotation. The motor is

widely used in the drilling, making inclination, adjusting azimuth, coring, reaming, side tracking and work over for the directional wells, horizontal wells side tracked wells and straight

wells of oilfields and coal mines. In addition, it is suitable for compound drilling and traversing and other special works.


Table for oil base mud resistant downhole motors' specifications and models:

 

Code of motor

Unit

5LZ185×7.0

7LZ185.5×7.0

5LZ197×7.0

5LZ197.5×7.0

5LZ203×7.0

Recommend Hole Size

mm

215-244

215-244

244-311

244-311

244-311

Recommend Hole Size

in

81/8-95/8

81/8-95/8

91/8-123/6

95/8-121/8

95/8-121/4

Input flow Rate

L/S

20-35

20-35

20-40

20-40

20-40

Motor Pressure Loss

MPa

4

4

3.2

4

3.2

Speed of the Bit

r/min

184

173

61-122

85-160

70-155

Working Torque

N.m

5436

5939

8067

7223

7002

Delay Dynamic Torque

N.m

8154

8908

14118

12640

12289

Output Power

KW

80-140

80-140

57.6-115.2

72-144

57.6-126.7

Recommend Drilling Weight

KN

120

120

120

130

150

Maxing Drilling Weight

KN

240

240

240

260

240

Thread Connection Top

 

41/2REG

41/2REG

51/2REG

51/2REG

51/2REG

63/8REG

63/8REG

63/8REG

Thread Connection Bottom

 

61/2REG

61/2REG

63/8REG

63/8REG

63/8REG

The Drill Length

mm

8120

8090

7998

8980

8100

Code of motor

Unit

5LZ203.5×7.0

5LZ216×7.0

5LZ216.5×7.0

5LZ244×7.0

7LZ244.5×7.0

Recommend Hole Size

mm

244-311

273-323

273-323

311-445

311-445

Recommend Hole Size

in

95/8-121/4

103/4-123/4

103/4-123/4

121/2-171/2

121/2-171/2

Input flow Rate

L/S

20-40

22-48

22-48

50-75

50-75

Motor Pressure Loss

MPa

4

3.2

4

3.2

4

Speed of the Bit

r/min

70-155

61-138

61-138

91-136

91-136

Working Torque

N.m

8778

8895

11117

15124

18905

Delay Dynamic Torque

N.m

15362

15567

19455

26468

33085

Output Power

KW

72-158.4

63.36-138.29

79.2-172.8

144-216

180-270

Recommend Drilling Weight

KN

170

190

238

200

250

Maxing Drilling Weight

KN

260

300

378

360

450

Thread Connection Top

 

51/2REG

63/8REG

63/8REG

63/8REG

63/8REG

63/8REG

Thread Connection Bottom

 

63/8REG

63/8REG

63/8REG

73/8REG

73/8REG

The Drill Length

mm

8990

8100

8950

9480

10280


We look forward for your cooperation.



Product Categories : Drilling Motors > Motors For Drilling

Home > Products > Drilling Motors > Motors For Drilling > Oil Base Mud Resistant Downhole Motors
Email to this supplier
  • *Subject:
  • *To:
    Mr. Zhang Yu
  • *Email:
  • *Message:
    Your message must be between 20-8000 characters
Send Inquiry
*
*

Related Products List

Home

Product

Phone

About Us

Inquiry

We will contact you immediately

Fill in more information so that we can get in touch with you faster

Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.

Send