• DYJ150/70-D Snubbing unit
  • DYJ150/70-D Snubbing unit
  • DYJ150/70-D Snubbing unit
  • DYJ150/70-D Snubbing unit
  • DYJ150/70-D Snubbing unit
  • DYJ150/70-D Snubbing unit
  • DYJ150/70-D Snubbing unit
  • DYJ150/70-D Snubbing unit
  • DYJ150/70-D Snubbing unit
  • DYJ150/70-D Snubbing unit
  • DYJ150/70-D Snubbing unit
  • DYJ150/70-D Snubbing unit

DYJ150/70-D Snubbing unit

ModelDYJ154/70-D

Rated lifting load340K lbs (1,500 kN)

Rated snubbing load185K lbs (840 kN)

Rated working pressure 10,000 PSI (70 MPa)

Description

Jereh DYJ150/70-D (340K) snubbing unit is designed and manufactured for high pressure oil /gas wells according to the distribution, well depth and pressure of oil/gas wells in China. The maximum lifting capacity is 1,500kN , the maximum snubbing capacity is 840kN and the rated working pressure is 70MPa, which meets the snubbing operation requirements in most of the high pressure oil /gas wells. It can achieve operations such as running tube string, milling, drilling plugs, fishing, completion operations and stimulation operations matching with fracturing units.

Basic Parameters:

Model:

DYJ150/70-D

Rated lifting load

340K lbs (1,500 kN)

Rated snubbing load:

185K lbs (840 kN)

Rated working pressure

10,000 PSI (70 MPa)

Lifting cylinder stroke

11.5 ft (3.5 m)

Rated torque of rotary table

22,000 lb*ft (29,800 Nm)

Diameter

11 in (279 mm)

Overall Dimension (L×W×H)

8.5×10.5×32.2 ft (2,600×3,200×9,800 mm)

Weight

48.5K lbs (22,000 Kg)

Advantages:

Powerful lifting capacity
Maximum lifting capacity is 1500kN and rated working pressure is 70MPa. The maximum lifting length of 3.1/2” thickened tubing is up to 7990m, meeting the operation requirements of most high pressure oil/gas wells.

High reliability
The key parts are products of world famous brands. The monitoring and protection functions such as pressure monitoring, warning and slip interlock ensure the safety of equipments and personnel.

Wide operation range
The unit is equipped with mast and drive rotary table, which meets the requirements of  operations such as running tube string, milling, drilling plugs, fishing, completion operations and stimulation operations matching with fracturing units.

High electric control degree

The unit is equipped with functions such as real-time monitoring, dynamic display and data acquisition of the slip, BOP and coupling, which reduces the experience requirements of operator, improves work efficiency and ensures safety.

Humanized design
The main operator faces the direction of lifting tube, which widens his view and improves operation safety. Only two people are needed to finish the operations such as screwing make-up and break-out of the tubes.

Detailed parameters

Engine

DDC S60/CAT C15

Pump Drive

Durst /Funk

Rated lifting load

340K lbs (1,500 kN)

Rated snubbing load:

185K lbs (840 kN)

Diameter:

11 in (279 mm)

Rated working pressure:

10,000 PSI (70 MPa)

Mast bearing capacity

11K lbs (5,000 Kg)

Length of extended mast

59 ft (18 m)

Winch lifting capacity

5.5K lbs (2,500 Kg)

Max. torque of hydraulic rotary table

22,000 lb*ft (29,800 Nm)

Rotary speed of hydraupc rotary table

0-80RPM

Weight of main unit

48.5K lbs (22,000 Kg)

Overall Dimension (L×W×H)

8.5×10.5×32.2 ft (2,600×3,200×9,800 mm) 

Power Pack Weight

26.5K lbs (12,000 Kg)

Power pack overall dimensions  (L×W×H)

8.5×8.2×13.2 ft (2,600×2,520×4,030 mm)

Description of the Power-pack
The Jereh Model-340 Power-Pack has a skid mounted power-pack designed to operate the Model-340. The Power-pack drive is a DDC S60 industrial engine. The engine has a Durst drive box coupled to the drive end to supply power for the hydraulic pumps, which are coupled to the drive box.

Description of the main unit

The unit consists of an upper work basket, tubing handling gin pole, jack structure, slip assemblies, lower work platform, Annular Bop,upper single gate BOP, Bleed-off/Equapze system and lowe single gate BOP.

The unit has 4 hydraulic cylinders capable of providing a lift force of 1500kN and 840kN snub force at most. Total stroke length is 3.5 m. Within the unit are four sets of pipe handling slips, two Snubbers and two Heavies. All slips have a through-bore of 279mm.

Upper Work Basket
The upper work basket is the primary work area that the crew uses for running, snubbing and pulpng tubing. All operational controls are located here for the operation of the Jack. The operators panel mounted in the top basket is the main focus of activity during tripping operations.Different with other company, Jereh 340-modle has a special point that it’s operators panel is set facing the well site that dose good to the operate.

Hydraulic Rotary Table
The Hydraupc rotary’ design accord with the requires of drilling, it has a 80 rpm rotation rate, and can also provide a torque at 17000 N.m. The hydraulic rotary allows the rotation of the string in the pipe light or heavy mode. It gives the unit the ability to set tools requiring rotation while in the pipe pght mode, or to perform drilling / milling operations in pipe heavy mode without the need for a power swivel.

Annular BOP
The annular preventer provides the primary wellbore seal on the outside of the pipe during snubbing. It incorporates a natural rubber element that can conform to any shape including open hole in an emergency situation. The hydraulic system is designed to allow constant pressure during changes in the pipe’s outer diameter, such as collars.

Single gate BOP
The Bops are used in situations where wellbore pressures exceed the safe stripping rating for the annular preventer. The stripping rams provide the operator options for well control and completion.

Equapze / Bleed off Spool C/W Valves
The EQ/BO spool has four flanged ports that allow the mounting of plug valves and choke systems. The spool is mounted within the structure of the unit between the two sets of stripping rams. The purpose of the spool is to allow for the controlled equalizing and bleeding off of pressure in the area between the stripping Bops or the annular preventer. The valves are operated hydraulically from the control panel in the upper workbasket.

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