Workover Rig for plugging back, pulling and resetting liners etc.
General Description：
Workover rigs made by our company are designed and manufactured in accordance with standards of API Spec Q1, 4F, 7K, 8C and relevant standards of RP500, GB3826.1, GB3826.2, GB7258, SY5202 as well as “3C” compulsory standard. Whole workover rig has a rational structure, which only occupies a small space due to its high degree of integration. Heavy load 8x6, 10x8, 12x8, 14x8 regular drive self-propelled chassis and hydraulic power steering system are utilized, which ensures the rig a good mobility and cross-country capability. The reasonable matching of Caterpillar engine and Allison transmission box can ensure high driving efficiency and intrinsic safety. Main brake is belt brake or disc brake. There are pneumatic water cooled disc brake, hydromatic brake or electromagnetic eddy current brake for selection as auxiliary brake. Transmission case for rotary table has the function of forward and reverse shifts, and is suitable for all kinds of drill pipe thread’s rotary operations. Back torque release device ensures the safe release of drill pipe deformation. Mast, which is front-open bi-section matched installation forward-leaning one, can be raised up and down and also telescoped by hydraulic power. Drill floor is two-body telescope type or parallelogram structure, which is easy to hoist and transport. The dimension and height of the drill floor can be designed according to client’s requirements. The rig adopts “people-oriented” design concept, strengthens safety protection and detection measures, and is in compliance with HSE requirements.
two types: Caterpillar type and wheel type.
The crawler workover rig is generally not equipped with a mast.The crawler workover rig is generally called a tractor hoist .
Its power off-road is good and it is suitable for construction in low-lying muddy areas.
The wheel workover rig is generally equipped with a mast. It has a fast walking speed and high construction efficiency. It is suitable for rapid relocation.
There are many types of tire workover rigs used in various oil fields. There are XJ350, XJ250, Cooper LTO-350, Ingersoll Rand 350 and KREMCO-120.
The tire workover rig is generally equipped with a self-propelled derrick. It has a fast walking speed and high construction efficiency. It is suitable for rapid relocation, but it is relatively limited in low-lying muddy areas and rainy seasons, during the tumbling season and into the wellsite.
There are many types of tire workover rigs used in various oil fields. There are many XJ350, XJ250, Cooper LTO-350, Ingersoll Rand 350 and KREMCO-120.
The crawler workover rig is generally called a well boring machine. In fact, it is a crawler type self-propelled tractor that has been modified to add a roller. The commonly used workover rigs are the Hongqi 100 type manufactured by Lanzhou General Machinery Factory, the AT-10 type manufactured by Anshan Hongqi Tractor Factory, and the XT-12 and XT-15 models manufactured by Qinghai Tractor Factory.
Model and Main Parameters of Conventional Land Workover Rig:
|
Product type |
XJ1100(XJ80) |
XJ1350(XJ100) |
XJ1600(XJ120) |
XJ1800(XJ150) |
XJ2250(XJ180) |
|
Nominal service depth m(2 7/8”External upset tubing) |
5500 |
7000 |
8500 |
- |
- |
|
Nominal workover depth m(2 7/8” Drill pipe) |
4500 |
5800 |
7000 |
8000 |
9000 |
|
Drilling depth m(4 1/2” Drill pipe) |
1500 |
2000 |
2500 |
3000 |
4000 |
|
Max. hook load kN |
1125 |
1350 |
1580 |
1800 |
2250 |
|
Rated hook load kN |
800 |
1000 |
1200 |
1500 |
1800 |
|
Engine model |
C15 |
C15 |
C18 |
C15×2 |
C18×2 |
|
Engine power kW |
403 |
403 |
470 |
403×2 |
470×2 |
|
Hydraulic transmission case type |
S5610HR |
S5610HR |
S6610HR |
S5610HR×2 |
S6610HR×2 |
|
Transmission type |
Hydraulic+Mechanical |
||||
|
Mast effective height m |
31/33 |
35 |
36/38 |
36/38 |
|
|
Line No. of traveling system |
5×4 |
5×4 |
5×4/6×5 |
6×5 |
|
|
Dia. of main line mm |
26 |
29 |
29/32 |
32 |
|
|
Hook speed m/s |
0.2~1.2 |
0.2~1.4 |
0.2~1.3/0.2~1.4 |
0.2~1.3/0.2~1.2 |
0.2~1.3 |
|
Chassis model/Drive type |
XD50/10×8 |
XD50/10×8 |
XD60/12×8 |
XD70/14×8 |
XD70/14×8 |
| Approach angle/Departure angle |
26˚/17˚ |
26˚/18˚ |
26˚/18˚ |
26˚/18˚ |
26˚/18˚ |
|
Min. ground clearance mm |
311 |
311 |
311 |
311 |
311 |
|
Max. Gradeability |
26% |
26% |
26% |
26% |
26% |
|
Min. turning diameter m |
33 |
33 |
38 |
41 |
41 |
|
Rotary table model |
ZP135 |
ZP135 |
ZP175/ZP205 |
ZP205/ZP275 |
ZP205/ZP275 |
|
Hook block assembly model |
YG110 |
YG135 |
YG160 |
YG180 |
YG225 |
|
Swivel model |
SL110 |
SL135 |
SL160 |
SL225 |
SL225 |
|
Overall dimensions in movement m |
18.5×2.8×4.2 |
18.8×2.9×4.3 |
20.4×2.9×4.5 |
22.5×3.0×4.5 |
22.5×3.0×4.5 |
|
Weight kg |
55000 |
58000 |
65000 |
76000 |
78000 |
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