WEB CASTS

CASE HISTORIES AND TECHNICAL PAPERS

TECHNICAL PAPER

SPE-184878-MS

Improved Hydraulic Fracturing Perforation Efficiency Observed with Constant Entry Hole and Constant Penetration Perforation

D. Cuthill, W. Yang, and J. Hardesty, GEODynamics, Inc.

ABSTRACT

Conventional perforating systems exhibit a distribution of perforation entry hole diameters around the circumference of the casing, when the system is decentralized within the wellbore. In the case of horizontal, limited entry, cluster style perforating operations the perforating system normally lies along the bottom of the casing. When hydraulically fracturing these intervals, perforation efficiency is difficult to predict since the entry hole diameters and perforation penetrations are not definitive.

A perforating system has been developed which provides a consistent entrance hole diameter and formation penetration independent of the clearance between the perforating carrier and casing...

TECHNICAL PAPER

SPE-184828-MS

Mining the Bakken: Driving Cluster Efficiency Higher Using Particulate Diverters

Paul Weddle, Larry Griffin, and C. Mark Pearson
(Liberty Resources)

ABSTRACT

This paper focuses on the evolution of an advanced completion design utilizing solid particulate diverters resulting in a dramatic increase in the number of fracture initiation points as validated with radioactive (RA) tracers. The ultimate goal of this strategy is to increase capital efficiency by placing a dense fracture network more contained within the producing formation. The information contained in the paper should be of great benefit to completion engineers working across a variety of unconventional oil and gas basins.

It is generally proven that larger proppant volumes and more frac stages result in higher oil and gas recoveries, i.e., bigger is better. Practically...

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SHALE COMPLETIONS IMPROVEMENTS 

The increasing Importance of Perforation Technology & Use of a Perforation ToolboxThe shale revolution has come about due to two enabling technologies: horizontal wells and hydraulic fracturing. More recently there has been an increasing emphasis on research into perforations and the role they play in proppant transport, fracture initiation and subsequent proppant placement.

www.energyindustryreview.com 22 February 2020
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GEODYNAMICS INTRODUCES VAPORGUN PORTLESS PERFORATING SYSTEM

www.worldoil.com 02 October 2019

GEODynamics has introduced its advanced VaporGun perforating system, a versatile, addressable switch-ready, portless solution that provides high levels of precision and reliability. VaporGun’s open architecture design allows engineering teams to plan and complete multi-stage plug and perf operations more safely, precisely, and cost-effectively, according to John Hardesty, vice president of perforating at GEODynamics.

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GEODYNAMICS OFFERS HELLFIRE PERFORATING SYSTEM

www.worldoil.com 03 February 2019

GEODynamics, Inc. introduces the new patented HELLFire perforating system, a revolutionary solution that allows the oil and gas industry to more effectively complete multi-stage plug-and-perf operations. At 9.5-in total length per cluster, the short-bodied system eliminates tool string length and delivers more clusters per stage. Increasing cluster count per stage will make better wells, as differences due to same stage formation variation are mitigated.

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GEODYNAMICS INTRODUCES SPECIALIZED PERFORATING SYSTEMS FOR REMEDIAL CEMENTING, CIRCULATION

www.worldoil.com 21 February 2018

ISOLOC perforating systems are used to establish communication between two or more strings of tubing or casing. The systems greatly improve cement plugging, squeeze and circulation operations with controlled damage to the secondary or tertiary string. Perforating for remedial cementing operations without damaging the outer strings of casing is an essential element to efficient plug and abandonment (P&A) and well circulation operations.

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OIL STATES TO ACQUIRE GEODYNAMICS 

www.worldoil.com 13 December 2017

Oil States International, Inc., announced today that it has entered into a definitive agreement to acquire GEODynamics, Inc., a provider of oil and gas perforation systems and downhole tools in support of completion, intervention, wireline and well abandonment operations. GEODynamics is being acquired from funds managed by Lime Rock Partners, members of its management team and other investors.

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EXPRO LAUNCHES TCP GUN SYSTEM FOR EXTREME HP APPLICATIONS AT LAGCOE 2017 

www.worldoil.com 23 October 2017

Leading international oilfield services company, Expro, has launched a new extreme high pressure tubing conveyed perforating (TCP) gun system, delivering the largest perforation hole area available for frac and gravel pack completions.

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Quote Open I resigned my membership from the API RP-19 committee in the mid-1990's because I, as well as most of the other committee members at the time, knew that API Section 1 testing was completely misleading to operators trying to select the perforating system that would maximize their well's production. Now in 2017, it's time to stop wasting billions on developing perforating systems that shoot deep in concrete, API Section 1, and simply create plugged tunnels with heavy metals. Furthermore, it's time to stop misleading well owners into using inferior systems that reduce the NPV of their assets. Quote Close

David Wesson, CEO

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