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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%">Autor</th> <th class="thCornerR">Wiadomość</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>defgf10aj</b></span></td> <td class="row1" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/Elveron/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Wysłany: Śro 20:45, 29 Gru 2010<span class="gen"> </span> Temat postu: Ed Hardy outlet Single well reservoir evaluation a</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Single well reservoir evaluation and reservoir protection sensitivity experiments - A well S1-6-006 Case <br /> <br /> <br />After hydration by measuring the line rock samples to evaluate the expansion rate of rock and swelling of expansive,<a href="http://www.edhardyoutlet.net" target="_blank" class="postlink">Ed Hardy outlet</a>, clay minerals can reflect the impact of potential harm to the extent of the reservoir. Rock the higher clay content in the expansion, showing the expansion of the stronger, the reservoir caused by the clay mineral water sensitivity, salt sensitivity will be more serious injury. ⑥ determination of cation exchange capacity of cation exchange capacity is one of the important properties of clay, different clay minerals with different cation exchange capacity, swelling of the clay mineral content is higher, the greater the cation exchange capacity. Cation exchange capacity of reservoir sensitivity test is an adjuvant trial evaluation tests, determination of rock samples by cation exchange capacity, clay minerals may also indirectly reflect the potentially harmful effects on the level of the reservoir. Expansion of the rock the higher the clay content,<a href="http://www.uggs-ireland.com" target="_blank" class="postlink">uggs ireland</a>, cation exchange capacity shown by the greater clay minerals caused by the reservoir water sensitivity, salt sensitivity will be more serious injury. Figure 2S1-6-006 well water sensitive evaluation of Figure ~ 1. Oml / min, speed-sensitive assessment based on indicators (see Table 8) to determine the wells in the reservoir rock is constant sensitivity. ② Evaluation of Water Sensitivity of Well s1-6-006 cation exchange capacity of reservoir core petrochemical industry in Inner Mongolia 128 2009 16 experimental results shows: cation exchange capacity of the wells in the rocks 5.56 ~ 1O. 70mmol/100g samples with an average of 7.72mmol/100g like. See non-core displacement water sensitivity evaluation method Figure 2 and Table 6 can be seen: the experimental data point distribution in the middle water-sensitive areas and high water sensitive areas, can determine the well reservoir rock has medium ~ high water sensitivity. Table 6S1-6-006 well water-sensitive reservoir core evaluation test data sheet ③ Evaluation of alkaline sensitivity evaluation by alkaline sensitivity curve (see Figure 3) can be seen: the well reservoir rock permeability affected by the fluid pH, more large, according to alkaline sensitivity index (Table 8) can be judged, the well reservoir rock with strong alkaline sensitivity, I the critical pH value of 8.5 ~ 10. H trespassing Figure 3Sl a 6--006 well alkaline sensitivity of rock evaluation curve ④ Assessment of hydrochloric acid sensitivity in Table 7 Evaluation of hydrochloric acid sensitivity test data can be seen: hydrochloric acid permeability of reservoir core of the well the more serious injury , hydrochloric acid sensitivity index 0.50 ~ O. Between 62 to determine the sensitivity of reservoir hydrochloric acid medium. Table 7Sl a 6-006 Well Test Sensitivity hydrochloride reservoir core data sheet ⑤ clay swelling test wells S1-6-006 clay swelling reservoir core evaluation results can be seen: the rock of the well in the 0.55 to 26 expansion. 17, with an average 6.81,6, showing stronger expansion. So that the reservoir caused by the clay mineral water sensitivity, salt sensitivity will be more serious injury that the strong sensitivity of the reservoir potential. Table 8 Sensitivity Index augmented sensitivity index ≤ O. o5O ・ o6O_31O ・ 5l ~ O ・ 7l> 0,9 o. 3o. The conclusions and recommendations 5n70.93 ① good reservoir properties, particle size of mixed sand, loose rock, poor cementation, easily loose. Cement to mud-based. Higher clay content in the reservoir, and the expansion of the smectite clay-based, the potential sensitivity of a strong, potential pollution problems. ② Evaluation of core speed sensitivity experiments show that the reservoir is in constant sensitivity,<a href="http://www.ghdsglaetteisen.org" target="_blank" class="postlink">ghd glätteisen</a>, the critical flow rate is 0.75 ~ 1.0ml/min, therefore, the development process, injection and recovery rate should be less than the critical flow velocity to avoid too Speed sensitive large reservoir damage caused by, resulting in migration of reservoir rock particles,<a href="http://www.glaetteisen-ghd.com" target="_blank" class="postlink">glätteisen ghd</a>, sand,<a href="http://www.converse-pascher.org" target="_blank" class="postlink">converse pas cher</a>, damage reservoir flow capacity. ③ reservoir core cation exchange capacity of the well results to determine reservoir rock has medium ~ high water sensitivity, therefore, in the external fluid into the reservoir should be lower than the formation water salinity to prevent fluid contact with oil, and take antiswelling measures to avoid harm to water sensitivity. ④ Evaluation of alkaline sensitivity experiments show that the well fluid reservoir rock permeability by pH, a greater impact for the strong alkali sensitivity, critical pH value of 8.5 \Therefore, to avoid high pH values (pH> 8.5) access to external fluid reservoir. ⑤ Evaluation of acid sensitivity experiments show that the HCl permeability of reservoir core of the well the more serious injuries, hydrochloric acid sensitivity index 0.50 \Therefore, reconstruction using acidizing oil should be selected suitable acidizing fluid, effective anti-swelling agent added to improve the acidification effect. 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