EVALUASI NILAI CUTTING CARRYING INDEX PADA LUMPUR DIESEL OIL

PETRO Pub Date : 2019-04-20 DOI:10.25105/PETRO.V7I4.4281
Kevin Ariko Yuwandhika, Bayu Satiyawira, Apriyandi Rizki
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引用次数: 1

Abstract

Evaluation of Cutting Carrying Index when using Diesel Oil base mud in well T is carried out on section 12-1 / 4 ", 8-1 / 2", and 5-3/4 ". This is because the use of mud on the previous section did not use Diesel Oil base mud, but only used native mud and KCL Polymer base mud. In the CCI evaluation of the Diesel Oil mud, several parameters included, Equivalent Circulating Density and rheology of diesel oil base mud. Based on the primary data on well T the ECD calculation can be done by calculating the average annulus velocity, velocity critical around annulus hole, and the  pressure loss in it. The value of ECD obtained on section 12-1 / 4 "ranges from 14 ppg to 15 ppg, section  8-1/2”  has 16,08 ppg to 16,4 ppg, and section 5-3 / 4" reaching 14,72 ppg as the biggest value. Based on the ECD, CCI value is obtained, this is because the ECD value describes the mud weight around the annulus hole. A good CCI value must be greater than or equal to 1, then evaluated with the results of CCI on route 12-1 / 4 "obtaining the greatest CCI value 1.6 in the jar and drill collar I. On route 8-1 / 2", CCI value evaluated in the heavyweight drill pipe section with a change in the value of 0,76 to 1,08. The CCI value on section 5-3 / 4“ changes in value from 0,65 to 1,19 in heavyweight drill pipe section.
评价了吉隆坡柴油的耐油切削承载指数
分别在12-1 /4”、8-1 / 2”和5-3/4”井段对T井使用柴油基泥浆的携砂指标进行了评价。这是因为上一段使用的泥浆没有使用柴油基泥浆,而只使用了原生泥浆和KCL聚合物基泥浆。在柴油泥浆的CCI评价中,主要考虑了柴油基泥浆的等效循环密度和流变性等参数。根据T井的原始数据,通过计算平均环空速度、环空井周围临界速度和环空井内压力损失来进行ECD计算。12-1 / 4”段的ECD值为14 ppg ~ 15 ppg, 8-1/2”段的ECD值为16.08 ppg ~ 16.4 ppg, 5-3 / 4”段的ECD最大值为14.72 ppg。根据ECD,可以得到CCI值,这是因为ECD值描述了环空井周围的泥浆比重。良好的CCI值必须大于或等于1,然后用12-1 / 4”路线的CCI结果进行评价,得到最大的CCI值1.6,在8-1 / 2”路线上,对重型钻杆段的CCI值进行评价,其值变化范围为0.76 ~ 1.08。在重型钻杆段,5-3 / 4”段的CCI值在0.65 ~ 1.19之间变化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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