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h07902-哈利伯顿-页岩气水平井钻井液服务实例

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h07902-哈利伯顿-页岩气水平井钻井液服务实例 SHALEDRIL™ F Water- Based Fluid proves Successful on Troublesome Fayetteville Shale Location: Fayetteville, Arkansas, USA OPERATOR’S CHALLENGE – e Marrowian shale that lies above the Fayetteville Shale in Arkansas is highly reactive and prone to fracturi...

h07902-哈利伯顿-页岩气水平井钻井液服务实例
SHALEDRIL™ F Water- Based Fluid proves Successful on Troublesome Fayetteville Shale Location: Fayetteville, Arkansas, USA OPERATOR’S CHALLENGE – e Marrowian shale that lies above the Fayetteville Shale in Arkansas is highly reactive and prone to fracturing and delamination. It is typically drilled with an Invert Emulsion fluid, which reduces the chance of swelling of this formation. e operator wanted to use a water- based fluid that would allow them to inhibit the clays in the shale and also allow them to drill horizontally with similar lubricity of an oil-based fluid while keeping costs down. One offset was drilled with a competitor’s water-based fluid, but assistance was needed to run casing. e casing had to be pumped to the bottom, delaying the operation. Typically a dispersed water-based system is used to drill wells on the Fayetteville Shale, but has shown inconsistent results in this region. HALLIBURTON’S SOLUTION – Having engineered a system specifically to address the unique drilling needs of the Fayetteville shale, the Halliburton Team offered SHALEDRIL™ F water-based system as a solution. is non-dispersed system uses BDF-440, a highly inhibitive product developed by Houston’s technical team, as a primary component of its drilling fluid. is fluid met the criteria of the operator and was extremely successful in inhibiting the Morrowian shale. e fluid was tested on core samples supplied by the operator as well as cutting samples and proved to stand up well against the water sensitive shale. e fluid has been used successfully on multiple wells in the field, having no issues while drilling and running casing. ECONOMIC VALUE CREATED – e SHALEDRIL F system performed exceptionally well in all aspects of the drilling operations compared with the competitions similar product, permitting minimal site remediation and other ancillary costs. In addition to the decreased environmental concern from using a water-based fluid, the system provided great lubricity values for horizontal drilling. e average sliding ROP was 30-50 /hr and rotating at 100-250 /hr, some points having even higher averages, allowing the well to be drilled more economically. Per barrel costs were reduced as well as costs related to cuttings processing, and there were no fees from oil-based mud disposal. Case History Unconventional Shale Baroid www.halliburton.com © 2010 Halliburton. All rights reserved. Sales of Halliburton products and services will be in accord solely with the terms and conditions contained in the contract between Halliburton and the customer that is applicable to the sale. H07902 8/10 Li ne ar S w el l Time Linear Swellmeter (LSM) findings on Upper Fayetteville cuttings (3800’)
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