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Keywords: rheology
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Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213782-MS
... cement property concentration copolymer suspension resistance drilling fluids and materials latex application sb latex rheology stability cement formulation slurry portland cement sciencedirect composition adsorption mechanism retarder geothermal well Introduction...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213833-MS
... loss control properties to HEC ( Buelichen and Plank 2011 , Cadix et al. 2021 ). These polymers even though widely used would have a couple of limitations. First, they would develop very high rheology from the mixing point at the surface. Indeed as soon as those polymers are mixed with water...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204317-MS
... Abstract This research examines the use of 75nm Zinc Oxide nanoparticles (Nano ZnO) and Polyethylene Butene (PEB) in reducing the viscosity of Nigerian waxy crude oil. The rheology of the crude oil was studied by measuring the viscosity and shear stress of crude samples contaminated...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, April 8–9, 2019
Paper Number: SPE-193574-MS
... of the self-diverting acid system. This study is based on rheology and corrosion inhibition tests, where combinations of VES and corrosion inhibitors are tested and complemented with chemical and microscopic analysis. Negatively charged thiourea and positively charged quaternary ammonium corrosion inhibitors...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, April 8–9, 2019
Paper Number: SPE-193639-MS
... strength development rheology nanocomposite casing and cementing fluid loss composition accelerator dosage cs-h-pce nanofoil Introduction The main purpose of primary cementing is to provide zonal isolation by sealing off the annular space in the borehole between formation and casing...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, April 8–9, 2019
Paper Number: SPE-193620-MS
.... In addition, these polymers have a strong influence on the cement slurry rheology and are also often expected to play a role on cement particle suspension, cement sheath homogeneity and to prevent settling. The scope of this paper is to investigate the impact of several types of fluid loss polymers on cement...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, April 3–5, 2017
Paper Number: SPE-184541-MS
... Upstream Oil & Gas hydrophobic group bwoc cement formulation cement chemistry slurry compressive strength development rheology fluid-loss control fluid loss Biopolymer Hmhag molecule slurry composition Introduction Application of environmentally compliant cement additives has...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, April 3–5, 2017
Paper Number: SPE-184558-MS
... chemistry drilling fluid formulation silicate geopolymer hybrid geopolymer drilling fluid property fly ash Sodium Hydroxide sodium silicate slurry geopolymer slurry rheology drilling fluid selection and formulation Upstream Oil & Gas internal brine composition Swr drilling mud...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, April 3–5, 2017
Paper Number: SPE-184542-MS
... commercial samples. The impact of the PCE and AFS dispersants on the fluid loss of cement slurries achieved from hydroxyethyl cellulose was investigated via static fluid loss and rheology measurements. All PCE polymers improved the fluid loss performance of HEC significantly more than AFS; i.e. they required...
Proceedings Papers

Paper presented at the SPE International Conference on Oilfield Chemistry, April 3–5, 2017
Paper Number: SPE-184576-MS
... of complex rheology, filtration (API LPLT test), and equivalent and total surface charge. The nanocellulose materials were then modified by means of simple chemical reactions to tailor the surface properties, and then compared to the original material. The same battery of tests was run in control experiments...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 13–15, 2015
Paper Number: SPE-173728-MS
...-to-high-flow regime, HPAM showed shear-thickening behavior (resistance factor increase with flow rate). In contrast, only shear thinning (resistance factor decreases with flow rate) was detected for xanthan polymer. By analyzing the retention and rheology of both HPAM and xanthan polymers, we show...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 13–15, 2015
Paper Number: SPE-173726-MS
... crosslinked cmhpg rheology crosslinked polymer suspend proppant hydraulic fracturing chemistry borate crosslinked cmhpg velocity profile critical shear rate shear rate proppant suspension Introduction Crosslinking a polymer solution is a common and efficient way to enhance both viscosity...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 11–13, 2011
Paper Number: SPE-141166-MS
... of temperature and pressure on the rheology, filtration loss characteristics, and the stability of non- aqueous micro bubble based drilling fluids were investigated. PVT analysis was also conducted to develop an equation of state for non-aqueous micro bubble based drilling fluids. drilling fluid selection...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 11–13, 2011
Paper Number: SPE-141513-MS
... brine mixture hot rolling rheology Introduction In deep water, wellbore or hole cleanup is critical for drilling and completing wells. Messler et al.1 have pointed out that the displacement from mud to brine can significantly impact the cost of well completions. The prolonged displacement can...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 11–13, 2011
Paper Number: SPE-141260-MS
... operations is considerably reduced, as hydration units and chemical additive units are not necessary. In rheology testing, the system achieves a good structure with viscosity. The time required to gel with temperature can be accelerated or delayed chemically. Regain conductivity tests indicate performance...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 11–13, 2011
Paper Number: SPE-141005-MS
..., the slurries develop viscosity, as reflected by rheological measurements. The method also provides for increased viscosification efficiency of the modified polymers because of the increased molecular weights of the modified biopolymer products. Synthesis details, slurry rheologies at different temperatures...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 20–22, 2009
Paper Number: SPE-121783-MS
... environments can become problematic due to the degradation of many polymers at high temperature. A main challenge is to use a high-temperature synthetic polymer that can control fluid loss without a significant impact on rheology. High-temperature gelling is another problem that may confront high-density fluid...
Proceedings Papers

Paper presented at the International Symposium on Oilfield Chemistry, February 28–March 2, 2007
Paper Number: SPE-105485-MS
... prohibitive, where their use is undesirable. In such circumstances, a high-performance water-based drilling fluid is the only option available. A main challenge in developing a water-based fluid for such applications has been to maintain the stability of key fluid properties such as rheology and fluid loss...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, February 2–4, 2005
Paper Number: SPE-93431-MS
... Abstract Safe and economical foam drilling requires a good knowledge of foam rheology and hydraulics. Compared with traditional incompressible fluids, foam is a thermodynamically unstable fluid and its rheology is rather complex. Compressibility, quality, liquid and gas phase properties...

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