Product Details

Specifications

1. OD:3 1/8'' ~ 11''
2.ID: 1 1/4'' ~ 3''
3. NC23-31 ~ 8 5/8REG
4.Length: 9150 or 9450mm
5.API 7; AISI4145H, SY/T5144

Drill collar

we supply different drill collars and other petroleum equipments, for more details please kindly contact us.

Options:

*Standard:API 7; AISI4145H, SY/T5144 or Non-Standard.

1.Standard size, bores and connections for drill collar.

Connection: NC23-31 ~ 8 5/8REG

OD: 3 1/8'' ~ 11'' (79.4 ~ 279.4mm)

ID: 1 1/4'' ~ 3'' (31.8 ~ 76.2mm)

Length: 9150 or 9450mm

Df: 76.2 ~ 266.7mm

Bending strength ratio: 2.75:1 ~ 2.84:1

2.Spiral size of spiral drill collar.

OD:3 7/8'' ~ 11'' (98.4 ~ 279.4mm)

Depth of cut(A) mm: 4.0+/-0.79 ~ 11.9+/-2.37

Depth of cut(B) mm: 5.6+/-0.79 ~ 8.7+/-1.59

Pitch: 914 ~2037mm

3.Non-maganetic drill collar.

Sel.:NC23-31 ~ 8 5/8REG

OD:3 1/8'' ~ 11'' (79.4 ~ 279.4mm)

ID: 1 1/4'' ~ 3'' (31.8 ~ 76.2 mm)

Length: 9150 or 9450

Bending strength ratio: 2.75:1 ~ 2.84:1

Our Services

Our main products:
Drill Equipment, Well control system,OCTG, Well head tools, camps,drill bit and spray head,drilling instruments, cementing, oil mining equipment, water well drilling rig and petrochemical products,Electric oil-submersible pump unit, QYYEQ Submersible power cables and so on.

Company Information

Dongying Qixiang Import & Export Co.,LTD(DYQX Petro company) follow the principle of "quality first, science and technology innovated, people oriented",, it benefits from the convenient running, high efficiency, swift reaction, experienced experts and the advanced management. In a meanwhile, it has about 50 sub-contractors to cooperate all over the country, and it always sticks to good faith, strictness, specialty, innovation, also satisfactory service.our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions).

Our Service Objective: People-O riented, Quality firstly and Best service.

Welcome to Visit DYQX petro.

FAQ

Dongying Qixiang Import&Export Co.,Ltd

Address:North 2nd Road,Number 352,Dongying Zone, Dongying City, Shandong province, China.

Skype:eve.liu06211988

Mobile:0086-18554639639

whatsnap:0086-13290276176

Web: & http://qixiangpetre.en.china.cn