TPi March 2015

products & developments

Hydraulic pipe recovery tool

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Churchill Drilling Tools, a provider of dart activated drilling tools, has launched the HyPR™ (hydraulic pipe recovery) system for the rapid recovery of stuck pipe. The tool can cut the cost of stuck pipe situations by enabling operators to get back on track more quickly. HyPR, claimed to be the world’s first hydraulic pipe recovery tool, was premiered at the Deepwater Operations Exhibition in Galveston, Texas, USA, in November. The tool was developed following extensive collaboration between Churchill Drilling Tools and deepwater and Gulf of Mexico drilling teams. When drilling challenging wells, stuck pipe situations can be a costly interruption, incurring mobilisation wait times and uncertain recovery attempts and delays. The HyPR tool offers a simple method to quickly recover the drill pipe and to begin side-tracking straight away. It also delivers a clean cut for operators wanting to maximise BHA recovery options. Churchill Drilling Tools director Mike Churchill said, “Churchill has already forged a strong reputation in the Gulf of Mexico, where our dart technology has been recognised for its versatility, capability and reliability in challenging environments. What is exciting for the company is that the HyPR system is the first product conceived and developed specifically for the GOM market and we are expecting it to deliver significant time savings for operators in the region.” The HyPR system consists of a robust full-strength sub, strategically positioned in the drill string. It is severed in around an hour by launching and pumping through a HyPR jetting dart, which lands inside the sub. The dart takes only a few minutes to arrive and, with a relatively short period of pumping, will part easily under a small loading, simultaneously producing a perfect fish-neck for subsequent operations. The expected mode of use is to set a kick-off plug, before coming out of hole with the recovered pipe. However, the system also provides jarring and internal wireline access for further recovery operations. The tool is available in a range of sizes and connections to suit any drill string configuration. It is a natural partner to Churchill’s DAV™ (dart activated valve), which can be positioned below to allow circulation to first be regained in pack-off situations. It is also compatible with a wide range of drilling jars. The system contains no explosives or high energy sources, and no specialist equipment or personnel are required. It is particularly useful in expensive or remote locations where external assistance is more costly to mobilise.

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March 2015 Tube Products International

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