Chapter 22

Thru-Tubing Standard Tools

Abstract

When running any bottom-hole assembly (BHA) on coiled tubing, a standard string of basic tools is required. In almost all cases, this consists of a coiled tubing connector, a dual-back pressure valve, a hydraulic disconnect, and (especially in mud-motor operations) a dual circulating valve. These tools are screwed together using a common set of small-diameter threaded connections

Keywords

Chemical cutting

Dual-actuated circulating valve

Dual-back pressure valve

Hydraulic disconnect

Motorhead assembly

When running any bottom-hole assembly (BHA) on coiled tubing, a standard string of basic tools is required. In almost all cases, this consists of a coiled tubing connector, a dual-back pressure ...

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