New Stimulation Method Significantly Improves Hydrocarbon Recovery

Topics: Hydraulic fracturing
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As a result of the creation of a hydraulic fracture, transient geomechanics forces are exerted on the formation, which modify the stress landscape near the wellbore and the fracture plane. It has been observed that the potential exists for temporary reversal in the minimum-stress direction, enabling a brief time interval in which a second hydraulic fracture can be created in a completely different direction. This provides hydraulic-fracturing connectivity to previously unattainable locations in the formation. This paper presents a computational validation of this multioriented hydraulic-fracturing (MOHF) process.

Overview of Pinpoint-Fracturing Techniques

Pinpoint fracturing, also known as pinpoint stimulation, is a general term used in the industry to refer to fracturing processes that specifically target individual treatment intervals in a multiple-­interval completion. More than 20 different pinpoint-stimulation techniques have been developed for coiled-tubing- (CT) or drillpipe-deployed jetting tools. Although several mechanically actuated or explosive-perforation pinpoint methods have been developed, the most widely used pinpoint methods are hydrajet coupled stimulation procedures. This paper focuses only on the hydrajet methods and discusses how pinpoint fracturing can be applied to achieve an MOHF stimulation.

This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 177061, “A New Stimulation Method To Significantly Improve Hydrocarbon Recovery by Use of Temporary Beneficial Changes in Stress Anisotropy,” by B.J. Lewis and J.B. Surjaatmadja, Halliburton, prepared for the 2015 SPE Latin American and Caribbean Petroleum Engineering Conference, Quito, Ecuador, 18–20 November. The paper has not been peer reviewed.
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New Stimulation Method Significantly Improves Hydrocarbon Recovery

26 February 2016

Volume: 68 | Issue: 3