Product Details

5 1/2"API 5DP Standard Zhongshi Drill Pipe for Oil and Gas

Product Description

Drill Pipe Feature of Petroleum oil drill pipe:

A. High precision in size and shape

B. Good low temperature toughness

C. Excellent comprehensive mechanical properties

D. High connection strength and sealability

E. Large inside diameter of tool joint

F. High torque resistance

G. High fatigue strength and long fatigue life

Internal Coating Feature:

A.High abrasion resistance and low friction factor

B. Good adhesion and flexility

C. High application temperature and pressure

D. High hardness and impact resistance

E. Good corrosion resistance

Hardbanding Feature:

A. Good balance between antiwear and friction-reduction

B. The wear rate is less than 6% of that of bare tool joint, which can prolong 3 times of the

tool joint service life

C. Good property of friction-reduction, which can reduce the casing wear to the least, and its

wear to casing is less than 11% of that of bare tool joint

D. Reduce the torque of drilling string

E. Good weldablity with little splash and good rewelding preformance

F. Friendly to environment

Pipe size	Holes per feet	Size of hole	Perforated area feet
3/4’’	78	3/16’’	2.15
1’’	54	5/16’’	4.14
1-1/4’’	66	5/16’’	5.06
1-1/2’’	78	5/16’’	5.98
2-1/16’’	78	5/16’’	5.98
2-3/8’’	90	3/8’’	9.94
2-7/8’’	102	3/8’’	11.26
3-1/2’’	126	3/8’’	13.91
4’’	138	3/8’’	15.24
4-1/2’’	150	3/8’’	16.56
5’’	162	3/8’’	17.88
5-1/2’’	174	3/8’’	19.21
6-5/8’’	186	3/8’’	20.53
7’’	222	3/8’’	24.51
9-5/8’’	294	3/8’’	32.46

Packaging & Shipping

Company Information

Puyang Zhongshi Group Company Ltd was founded in 1996,which is the restructured enterprise of Central Plains oilfield branch company of SINOPEC . The company registered capital is 6083 million yuan,with annual output value 200 million yuan, 580 employees, including more than 160 technical and administrative staff. Oil machinery is our main products, the leading products include pumping unit,subsurface sucker rod pump, wellhead (Christmas Tree), pressure vessels,drilling solid control series products and cementing accessories, We had attained ISO 9001 in 1998 and API Certificates in 2002 .

Our Services

All products purchased in our company are guaranteed to keep in good repair for one year. If quality problems happen in guarantee period, our company will maintain for free. Additionally, our company provides technical support and fittings for life. After-sales service isn't restricted by time and we will assign technical personnel to solve your problems immediately after receiving telephone and hear feedback idea of users and deal with them in time. If you are caught in some problems when using our products, welcome to contact us at any time.