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Completing the Well

Encana’s cube development increases Permian type curves, premium return inventory

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Encana's cube development approach combined with advanced completion practices have significantly enhanced its Permian well performance and led to a 20% increase in the company's Permian type curves and 700 new premium return locations. The 700 new premium return locations is five times the quantity the company will drill this year and brings total premium return locations in the play to 3,450. Encana expects it will develop less than 30% of its Permian premium inventory through 2021....

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Weir launches Simplified Frac Iron System, Pressure Control Intelligent System

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Weir Oil & Gas, a provider of pressure pumping and pressure control equipment and services, announced its latest innovations – the Simplified Frac Iron System and the Pressure Control Intelligent System – at the 2017 OTC in Houston. Both technologies were created in response to operator demand for technologies that allow them to be competitive in a lower oil price environment, according to Weir...

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NOV develops 140-ksi, sour gas-resistant coiled tubing

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National Oilwell Varco (NOV) recently developed 140-ksi specified minimum yield strength (SMYS) coiled tubing, or CT140. Because the target market for high-strength tubing is high-pressure well intervention and completions, sour gas compatibility testing was performed. The testing program verified that while using chemical inhibitors, the tubing/inhibitor system was not susceptible to sulfide stress cracking. In this video from the 2017 SPE/ICoTA Coiled Tubing and Well Intervention Conference in Houston on 21 March, Kevin Elliot, NOV Product Engineering Manager, discusses the development process that was undertaken, as well as the resulting mechanical properties and fatigue life of CT140. For more information about this project, please see SPE 184806, “Development and Compatibility Testing of Coiled Tubing With 140-ksi Specified Minimum Yield Strength.”

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Coiled-tubing cementing operation on HPHT well uses MPD technique to lower costs, ensure integrity

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The number of exploration wells drilled in high-pressure, high-temperature (HPHT) environments keeps growing, spurred by the ongoing search for new oil and gas reserves. Per the Norwegian Standards Organization (NORSOK), an HPHT well has a wellhead shut-in pressure exceeding 69 MPa (10,000 psi) and an ambient temperature greater than 150°C (302°F)...

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Evolution of intelligent coiled-tubing technologies drives need for better sensors, data interpretation tools to aid real-time decision-making

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Coiled-tubing interventions, like everything else in the upstream sector, have taken a hit since oil prices tumbled in 2014. In fact, the coiled-tubing industry declined by 41% from 2014 to 2015 and by an additional 39% from 2015 to year-end 2016, according to data from Spears and Associates...

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