Petroleum Well Control Equipment Co., Ltd.(PWCE)

Trailer-Mounted Drilling Rigs

Short Description:

This kind of drilling rigs are designed and manufactured in accordance with API  standard.

These drilling rigs have the following advantages: reasonable design structures and high integration, a small working space, and reliable transmission.

The heavy-duty trailer is equipped with some desert tires and large-span axles to improve moveability and cross-country performance.

A high transmission efficiency and performance reliability can be maintained by a smart assembly and utilization of two CAT 3408 diesels and ALLISON hydraulic transmission box.

Product Detail

Product Tags


The drawworks is double- drum type, with which the hydraulic disc brake is equipped as the main brake and air water-cooling disc brake (Model EATON WCB324) is equipped as the auxiliary brake.

The derrick which is a frontopen type and has a two-section structure with an inclination angle or erective sections can be lifted up or fallen down and telescoped.

The substructure has a parallelogram integral structure for easy transportation and installation, which can be risen by 6 setbacks spirally.

This kind of drilling rigs with desert adaptability design also have good anti-dust and high/low- temperature-proof performances.

Safety and inspection measures are strengthened under the guidance of the design concept of “Humanism Above All” to meet the requirements of HSE.


Model and parameters of rig

Model SDR-550TL SDR-650TL SDR-750TL SDR-1000TL
Drilling Depth (4-1/2" Drill Pipe), ft 5,000 6,600 10,000 13,000
Workover Depth (3-1/2" Drill Pipe), ft 13,000 18,000 21,000 24,600
Static. Hook Load, lbs 300,000 350,000 400,000 500,000
Number of Lines Stung to The Traveling Block 8 8 8/10 10
Diameter of Drilling Line, in 1 1-1/8 1-1/4 1-1/4
Drawworks Rated Power, HP 550 650 750 1,000
Engine Caterpillar C-15 Caterpillar C-18 Caterpillar C-15 x 2 Caterpillar C-18 x 2
Transmission Allison S5610 Allison S6610 Allison S5610 x 2 Allison S6610 x 2
Main Brake Band/Disc Band/Disc Band/Disc Band/Disc
Auxiliary Brake Eaton WCB Eaton WCB Eaton WCB Eaton WCB
Mast Type Telescoping Telescoping Telescoping Telescoping
Mast Height, ft 108 115 118/125 118/125
Substructure Type Telescoping Telescoping Foldable Foldable
Substructure Height, ft 15 15 20 20
Rotary Table 17½" 17½" 20½"/27½" 27½"
Hook Block Load, lbs 300,000 350,000 400,000 500,000
Swivel Load, lbs 300,000 350,000 400,000 500,000

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