A Wireline Tool String is made up of set Tools (Work String) to do specific Wireline operations down-hole.

Service Tools are engineered for either singular or multi-functional applications in wireline operations.

Running Tools were designed primarily to set or position downhole flow controls and devices to a predetermined depth in the well by Wireline methods.

Pulling Tools were designed primarily to retrieve subsurface locking devices and other downhole Wireline Service Equipment from the tubing bore.

Shifting Tools were designed primarily to open or close inner sleeve in several types of Sliding Sleeves.

‘BHP’ (Bottom Hole Pressure) is a vital part of Wireline Operations. Monitoring the ‘BHP’ requires specialty tools.

Test Tools & Check Valves are generally used to test tubing, locate leaks, or set hydraulic-set packers. The Tools are designed to hold pressure from above

Gas Lift operations are efficient and cost efficient means of optimizing the production rates of the wells.

Landing Nipples are installed in the well bore as a part of the completion string to provide for the location of various Wireline Flow Control devices.

Lock Mandrels were designed to land and set into downhole pre-positioned Landing Nipples (see Section XIII) in the well.

Equalizing Sub-Assemblies provide means of equalizing pressure across Sub-Surface Controls such as Locking Mandrels and Tubing Mandrels.

The design, using the Lock Mandrel and Equalizing Sub-Assembly, is to plug the tubing and hold differential pressures from above and below ...