SPE Annual Technical Conference and Exhibition 2009
DOI: 10.2118/122762-ms
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The Application of High-Density Elastic Cements to Solve HPHT Challenges in South Texas: The Success Story

Abstract: Well cementing operations in south Texas tend to present a number of challenges to those responsible for constructing oil and gas wells. For instance, the temperatures and pressures at which the cement needs to be placed can be extreme, routinely exceeding bottomhole static temperatures of 300°F and pore pressures requiring fluid densities of 17 lbm/gal or greater to maintain well control. These extreme conditions can present challenges not only during placement of the cement slurry in the wellbore, but also l… Show more

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Cited by 17 publications
(5 citation statements)
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“…This task can be achieved through literature review or by interviewing experts such as manufacturers, suppliers, designers, subsea operators and maintenance technicians. Typical failure modes due to HPHT conditions include: material degradation, casing collapse, gas leakages, buckling of pipelines (both lateral and upheaval buckling), sheathing of cement over the well life, extreme stresses in pipelines, excessive loading on terminals at hot ends, de-rating of the pipeline carbon steel material, increased internal corrosion and reduced efficiency of cathodic protection systems (Wray et al, 2009;Azouz, 2010;Shadravan and Amani, 2012;Kaculi, 2015). Any of these failure modes or their combination can result in severe consequences during life extension phase of operation.…”
Section: Determine Potential Failure Modes That May Damage the Facili...mentioning
confidence: 99%
“…This task can be achieved through literature review or by interviewing experts such as manufacturers, suppliers, designers, subsea operators and maintenance technicians. Typical failure modes due to HPHT conditions include: material degradation, casing collapse, gas leakages, buckling of pipelines (both lateral and upheaval buckling), sheathing of cement over the well life, extreme stresses in pipelines, excessive loading on terminals at hot ends, de-rating of the pipeline carbon steel material, increased internal corrosion and reduced efficiency of cathodic protection systems (Wray et al, 2009;Azouz, 2010;Shadravan and Amani, 2012;Kaculi, 2015). Any of these failure modes or their combination can result in severe consequences during life extension phase of operation.…”
Section: Determine Potential Failure Modes That May Damage the Facili...mentioning
confidence: 99%
“…Such harsh conditions can raise the risk of short term gas migration during the placement of the cement slurry and eventually create cracks in the set cement during the life of the well (Wray and Bedford 2009). Primary cementing is a critically important operation in construction of a well.…”
Section: Pressure and Temperature Cycles During Well Testingmentioning
confidence: 99%
“…Where V is volume of rubber bar, adopts 42.9×10 -5 m 3 ; ρ f is density of slurry, adopts 1.2-2.5g/cm 3 ; ρ r is density of rubber, adopts 1.1g/cm 3 .…”
Section: Fig3 Force Analysis Of Mobile Rubber Barsmentioning
confidence: 99%
“…This phenomenon appears frequently and has drawn great attention. Lots of mechanism researches have been done and practical measures have been taken [2,3,4,5]. Generally, the measures include the uses of expandable cement, swellable hanger and swellable packer.…”
Section: Introductionmentioning
confidence: 99%