BLIND BOX

MJM Blind Box is connected to the wireline tool string to provide a solid, flat face to impact against during downward jarring operations.

Due to the solid design and lack of bypass through the body of the Blind Box it can also be used as a simple device to locate fluid interface levels within the well bore.

Applications

• For use in high angle, deviated wells.
• For centralising Running and Pulling Tools in larger bore tubulars.

• Multiple subs can be positioned anywhere along the length of a conventional toolstring.
• Interchangeable rollers increase the operating range of Roller slider and provide the end user with effective options.
• Rollers supplied in AISI 4140, 316 Stainless Steel, Nylon or as specified by customer, normally conection offered UN, HDQRJ, and QLS.
• Fluted body for maximum bypass in fluid.
• Supplied with conection options to suit costomer requirements.
• Ability to operate successfully in high angle, deviated wellbores

Nominal Tubing
Size

Fluted Body
OD

Effective Roller
Range

2 7/8”

1.875”

1.900”-2.250”

3 ½”

2.125”

2.220”-2.600”

4 ½”

2.500”

2.720”-3.125”

5 ½”

3.350”

3.500”-4.500”

7”

5.250”

5.500”-6.000”

Applications

• To provide a solid, flat face to impact against during downward jarring.

 Features & Benefits

• Available in a range of sizes to suit all completion designs.
• Tapered designs available.
• Connection option to suit customer requirements.
• Flats surface for safe make-up & break-out

Size Range

Fishing Neck

Connection

1.000”-1.187”

1.375”

15/16-10

1.187”-1.375”

1.375”

15/16-10

1.375”-2.000”

1.375”

15/16-10

2.000”-3.000”

1.750”

1-1/16-10

3.000”-5.500”

2.313”

1-1/16-10