THE EFFECT OF TEMPERATURE AND POLLUTANTS (CA++, MG++) ON BENTONITE AND POLYMERIC (XC AND PHPA) AT WELL CONDITION

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SOLTANIAN H.; ROSTAMI J.

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Journal: Year:2002 | Volume:36 | Issue:3 (77) Page(s): 439-448

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Title

THE EFFECT OF TEMPERATURE AND POLLUTANTS (CA++, MG++) ON BENTONITE AND POLYMERIC (XC AND PHPA) AT WELL CONDITION

Author(s)

SOLTANIAN H. | ROSTAMI J. | Issue Writer Certificate

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Abstract

Drilling mud is one of the important components in deep drilling of oil wells. Drilling mud consists of two phases: liquid phase (i.e. sweet water, salt water, seawater) and solid phase (such as clay minerals). Rheological characteristics of ordinary mud change in deep wells under high pressure and temperature, therefore, the mud is unable to perform its duties specially transportation of the cuttings. Different methods are used for modification of these properties. One of these methods incorporates use of polymers in drilling mud. The present study investigates the properties of polymeric muds under conditions present in drilling operation in Iran with the aim of eliminating the problems and poor efficiency of traditional muds. In this study the effects of two kinds of polymers (PHPA and XC) on the physical and theological behavior of liquid base mud is investigated together with the effects of two kinds of pollutants (CaSO4 and MgSO4) on the behavior and properties of polymeric mud. The results demonstrate that polymer based mud can improve theological and thixotropic properties of the mud, decreasing of water loss, and has no effect on PH balance. Also, the above mentioned polymers become viscose when exposed to saturated salt water and are resistant to other ionic pollutants. They keep the initial specifications and viscosity in high shear rates. Increasing of temperature results in increasing of shear stress for bentonite and decreasing of shear stress for XC and PHPA polymers. Also increasing the temperature (of betonies based mud) results in increasing of yield point, viscosity and thixotropic properties, but has a reverse effect on mud containing XC and PHPA polymers.

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APA: Copy

SOLTANIAN, H., & ROSTAMI, J.. (2002). THE EFFECT OF TEMPERATURE AND POLLUTANTS (CA++, MG++) ON BENTONITE AND POLYMERIC (XC AND PHPA) AT WELL CONDITION. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 36(3 (77)), 439-448. SID. https://sid.ir/paper/14009/en

Vancouver: Copy

SOLTANIAN H., ROSTAMI J.. THE EFFECT OF TEMPERATURE AND POLLUTANTS (CA++, MG++) ON BENTONITE AND POLYMERIC (XC AND PHPA) AT WELL CONDITION. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2002;36(3 (77)):439-448. Available from: https://sid.ir/paper/14009/en

IEEE: Copy

H. SOLTANIAN, and J. ROSTAMI, “THE EFFECT OF TEMPERATURE AND POLLUTANTS (CA++, MG++) ON BENTONITE AND POLYMERIC (XC AND PHPA) AT WELL CONDITION,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 36, no. 3 (77), pp. 439–448, 2002, [Online]. Available: https://sid.ir/paper/14009/en

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