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No. 37, Qilianshan Road, Shengli Industrial Park,

Dongying, Shandong, China

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NAME

Land Drilling Rig

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Details
Product parameters

1. Skid-mounted Drilling Rig

1) DC Drive Drilling Rig

The drawworks, rotary table and mud pump are driven by DC motors, and the rig can be used in deep well and ultra deep well operation onshore or offshore.

Technical Features:

The basic parameters of drilling rig are consistent with national standards of GB/T23505 “Petroleum Drilling Rig and Workover Rig”.

DC drive drilling rigs adopt international advanced AC-SCR-DC power system. The drawworks, rotary table and mud pump can be stepless speed regulating so that the drilling rig can acquire good drilling performance.

 

The drilling rigs adopt parallelogram integral rising substructure to achieve installation of drill floor equipment and mast at low position. The substructure is raised by drawworks.

The main brake adopts hydraulic disc brake which is very flexible with enough brake torque. The auxiliary brake is equipped with air cooled or water cooled electromagnetic eddy current brake. And it also can be pneumatic controlled disc brake as per requirements. Drawworks are equipped with disc brake automatic driller device.

The rotary table adopts independent drive structure and it’s chain box has two shifts. The chain box is under drill floor so that the operating space of drill floor can be large.

The drilling rig is equipped with independent driller’s control room. The gas, electric and hydraulic control, drilling parameters and instrument displays can be arranged unitedly so that it can achieve logic control, monitoring and protection through PLC during the whole drilling. In the mean time, it can also achieve saving, printing and teletransmission of the data. Driller can accomplish all operations in the room which can improve the working environment and decrease the labour intensityof drillers.

The manufacture of main components accords with relevant API specifications and the components are stamped with API mark.

It can be equipped with top drive device.

 

It can be equipped with overall moving slide rail or stepping device to meet the requirements for movement between well locations as cluster drilling is conducted.

 

Type and Main Parameters 

Type

ZJ40/2250DZ

ZJ50/3150DZ

ZJ70/4500DZ

ZJ90/6750DZ

Nominal drilling depth

114mm drill pipe

2500—4000

3500—5000

4500—7000

6000—9000

 Max. hook load, KN

2250

3150

4500

6750

Max. line number of traveling system

10

12

12

14

Drilling wire Dia., mm(in)

32(1 1/4)

35 (1 3/8)

38(1 1/2)

45(1 3/4)

Sheave OD of traveling system, mm(in)

1120(44)

1270(50)

1524(60)

1524(60)

Swivel stem through-hole Dia., mm(in)

75(3)

75(3)

75(3)

102(4)

Rated power of drawwork, KW(hp)

735(1000)

1100(1500)

1470(2000)

2210(3000)

Drawwork shifts

4

4

4

4

Opening Dia. of rotary table, mm(in)

698.5(27 1/2)

698.5(27 1/2)

952.5(37 1/2)

952.5(37 1/2)

952.5(37 1/2)

1257.3(49 1/2)

 Rotary table shifts

2

2

2

2

Single mud pump power,kW(hp)

960(1300)

960(1300)

1180(1600)

1180(1600)

1620(2200)

Mast working height, m(ft)

43(142)

45(147)

45(147)

48(157)

Drill floorheight, m(ft)

7.5(25)

7.5(25)

9(30)

9(30)

10.5(35)

10.5(35)

12(40)

Clear height of drill floor, m(ft)

6.26(20.5)

6.26(20.5)

7.62(25)

7.42(24.5)

8.92(29.5)

8.7(28.5)

10(33)

Note

DZ——DC drive drilling rig

 

 

2) AC VF Drive Drilling Rig

 

The advantages of AC variable frequency control technology are that the AC motor has no reverser so it’s not easy to generate electrical sparkle in operation, and it can bear all the load in zero RPM conditions and realize regenerative braking thus greatly simplifying the mechanical transmission structure and providing drawworks with full dynamic braking. With high control accuracy and nice compatibility, the AC variable frequency control technology is easy to achieve the automatic, intelligent and networked control. Moreover, the application of automatic drilling technology greatly improves the drilling efficiency and well bore quality.

Technical Features

AC variable frequency drive drilling rigs adopt VFD drive and digital control technology which can simplify the drawworks structure and improve the drilling rig performance.

The broadband high-power variable frequency motor adopted by drilling rig can completely achieve whole course stepless speed regulating of drawworks, rotary table and mud pump.

Drawworks are gear drive and single shaft with two gear stepless speed regulating, simple structure and reliable performance. The brake adopts the combinative pattern of hydraulic disc brake and motor dynamic braking.

Drawworks adopt main motor or independent motor to achieve automatic drilling and make real time monitoring for tripping operation and drilling condition.

Intelligent traveling block position control has the function of preventing “bumping top and smashing bottom”.

The manufacture of main components accords with relevant API specifications and the components are stamped with API mark.

It can be equipped with top drive device.

 

It can be equipped with overall moving slide rail or stepping device to meet the requirements for movement between well locations as cluster drilling is conducted.

 

Type and Main Parameters

Type

ZJ40/2250DB

ZJ50/3150DB

ZJ70/4500DB

ZJ90/6750DB

Nominal drilling depth(114mm DP)

2500—4000

3500—5000

4500—7000

6000—9000

Max. hook load, KN

2250

3150

4500

6750

Max. line number of traveling system

10

12

12

14

Drilling wire Dia., mm(in)

32(1 1/4)

35 (1 3/8)

38(1 1/2)

45(1 3/4)

Sheave OD of traveling system, mm(in)

1120(44)

1270(50)

1524(60)

1524(60)

Swivel stem through-hole Dia., mm(in)

75(3)

75(3)

75(3)

102(4)

Rated power of drawworks, KW(hp)

735(1000)

1100(1500)

1470(2000)

2210(3000)

Drawwork shifts

2 stepless speed regulating

2 stepless speed regulating

2 stepless speed regulating

2 stepless speed regulating

Opening Dia. of rotary table, mm(in)

698.5(27 1/2)

698.5(27 1/2)

952.5(37 1/2)

952.5(37 1/2)

952.5

(37 1/2)

1257.3

(49 1/2)

Rotary table shifts

2 stepless speed regulating

2 stepless speed regulating

2 stepless speed regulating

2 stepless speed regulating

Single mud pump power, kW(hp)

960(1300)

960(1300)

1180(1600)

1180(1600)

1180(1600)

1620(2200)

Mast working height, m(ft)

43(142)

45(147)

45(147)

48(157)

Drill floor height, m(ft)

7.5(25)

7.5(25)

9(30)

9(30)

10.5(35)

10.5(35)

12(40)

Clear height of drill floor, m(ft)

6.26(20.5)

6.26(20.5)

7.62(25)

7.62(25)

8.9(29.5)

8.7(28.5)

10(33)

Note

DB—AC variable frequency drive drilling rig

 

 
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