high quality phpa drilling additive in spain

high quality phpa drilling additive in spain
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  • What is the technology of PHPA mud systems?
  • Although more is known from field applications about how practices, although more is known from field applications about how the products work and the systems behave, the technology of PHPA mud systems is still developing. Drilling of oil and gas wells always results in the incorporation of native clays into the mud system.
  • Can you drill cement with PHPA mud?
  • Do not drill cement with PHPA muds, unless the system will be replaced after drilling out, because PHPA muds are sensitive to high pH, especially in the presence of high calcium levels. If drilling cement with a PHPA system is unavoidable, pretreat the system with 0.251bmlbbl [0.7 kg/m3] sodium bicarbonate.
  • How does PHPA polymer affect rheological and fluid loss properties?
  • The enhanced rheological properties were attributed to the formation of strong hydrogen bonding network in the drilling fluid which also reduced the fluid loss and enhanced the pore connectivity in the filter cake to minimize the formation damage. (Kelessidis et al., 2013) studied the effect of PHPA polymer on rheological and fluid loss properties.
  • Can PHPA be used as a bentonite additive?
  • In the oil and gas industry, PHPAs have a long history of use as bentonite additives to inhibit the swelling of water-sensitive shales and to reduce fluid loss in permeable formations (Liao and Siems 1990;Kadaster et al. 1992; Kelessidis et al. 2013).