PERFORMANCE OF OILWELL CEMENTING COMPOSITIONS IN GEOTHERMAL WELLS.

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作者
Gallus, J.P.
Watters, L.T.
Pyle, D.E.
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OIL WELL CEMENTING - Applications;
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Just a few years ago, there existed a great uncertainty regarding the durability of oilwell cements in geothermal wells. Therefore, the authors began to investigate the performance of numerous oilwell cementing compositions in actual geothermal environments. Duplicate samples were exposed to actual geothermal well temperatures and fluids in the Baca, NM, and Imperial Valley, CA, geothermal fields for periods of up to 1 year. A novel testing procedure for geothermal cements was developed and successfuly applied in these experiments. The work indicated that some oilwell cements apparently can be rendered sufficiently resistant to geothermal well conditions for the service life of a geothermal well.
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页码:233 / 241
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