Reservoir
This study demonstrates how routinely acquired downhole temperature data allows for direct estimation of fluid saturations and delivers more accurate reservoir volume assessments, particularly in aquifer-supported systems.
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The deal adds over 1,000 potential drilling locations and almost doubles oil production for Houston-based Magnolia.
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At the Unconventional Resources Technology Conference in Denver, discussion revolved around solving problems below ground and above ground. -
A major heavy oil producer in California has agreed to test a device that is designed to reduce emissions of smog-producing gases and increase the efficiency of gas burners.
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The development of an economically efficient drilling program in shale-gas plays is a challenging task, requiring a large number of wells; even with many wells, the average well production and the variation of well performance (economics) remain highly uncertain.
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Production of low-viscosity liquids, including condensates, from tight reservoirs such as shales is severely restricted by the ultralow permeability of such formations, limiting production to a very small fraction, usually less than 5%, of the liquids in place.
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Matrix acidizing is commonly used as a preflush to the hydraulic-fracturing stimulation of shale formations. The process dissolves sediments and mud solids that inhibit the permeability of the rock, enlarging the natural pores of the reservoir and stimulating flow of hydrocarbons.
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An operator has launched a successful, limited-scope deployment of a nonparametric capability known as event detection and association (EDA).
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With the industry moving forward with exploration and development in the broader categories of unconventional resources globally, it is of paramount importance to assess and improve the different methods and tools for estimating reserves, to establish their accuracy and credibility.
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There are no reliable estimates of technically recoverable resources (TRRs) for unconventional reservoirs outside North Amercia, and many countries lack the advanced technology such as horizontal drilling and hydraulic fracturing necessary to develop unconventional resources.
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Hydraulically fracturing and stimulating multiple horizontal wells in sequence has been rapidly adopted by operators because of the potential for production without introducing unwanted risks.
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This paper attempts to describe some of the common problems and to help prevent some common errors often observed in diagnostic fracture injection tests (DFITs) execution and analysis.
