Strategy and Planning EOR for Caracara Sur Field, Colombia - (SPE-164930)

Cubillos, H.; Stofferis, M.; Cabas, G.D. Vanegas; Lager, Arnaud; Rolf, A.

doi:10.3997/2214-4609.20130896

Cited by 7 publications

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A comprehensive review of alkaline–surfactant–polymer (ASP) flooding

Sheng

2014

Asia-Pacific J Chem Eng

221

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Alkaline-surfactant-polymer (ASP) flooding is a combination process in which alkali, surfactant, and polymer are injected in the same slug. Because of the synergy of these three components, ASP is the current worldwide focus of research and field trial in chemical enhanced oil recovery (EOR).This paper is to provide a comprehensive review of the ASP process. The reviewed topics include the following: ASP MECHANISMSBefore presenting the synergy of ASP process, the mechanisms of each individual component are discussed first. Mechanisms of polymer floodingThe process of polymer flooding is same as waterflooding except that polymer is added in the water so that the solution viscosity is increased. Sometimes, it is called thickened waterflooding. It is well known that when the Screening criteria for broader EOR processes were discussed by several researchers, e.g. Lake et al., [21] Taber et al., [22,23] Al-Bahar et al., [24] Dickson et al., [20] and Al-Adasani and Bai (2010). [25] Some of the Asia-Pacific Journal of Chemical Engineering A COMPREHENSIVE REVIEW OF ASP FLOODING 473 S o ÀS or 1ÀS or ÀS wc : Here S o , S or, and S wc are oil saturation, residual oil saturation, and connate water saturation, respectively. The proposed mobility control requirement provides a criterion for mobility control design for an ASP project. PROBLEMS ASSOCIATED WITH ASP FLOODINGCommon operational problems in an ASP project are low injectivity, polymer degradation, difficulty to separate J. J. SHENG Asia-Pacific Journal of Chemical Engineering 482 produced water from oil, pump failures, bacterial growth, corrosion, problems related logistics, and handling, especially in an offshore environment. [84] This section discusses issues resulting from ASP applications, including produced emulsion, chromatographic separation, precipitation and scaling, and others.

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A comprehensive review of alkaline–surfactant–polymer (ASP) flooding

Sheng

2014

Asia-Pacific J Chem Eng

221

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Application of Surfactant-based enhanced oil recovery in carbonate Reservoirs: A critical review of the opportunities and challenges

Hayavi

Kazemzadeh

Riazi

2022

Chemical Physics Letters

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An Innovative Approach to Make HPAM an Effective Solution to Optimize the Low Salinity ASP Application in Caracara Sur Field, Colombia - Field Case

Cubillos

Stofferis

Montes

et al. 2015

Day 3 Thu, August 13, 2015

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To ensure a technically and economically viable chemical Enhanced Oil Recovery (cEOR) project in the Caracara Sur Field (Llanos Basin Colombia), several challenges were faced. One of the challenges described in a previous work (Cubillos et al. 2013), is the design of an efficient chemical formulation stable at reservoir conditions. Comprehensive laboratory work has been undertaken, resulting in an Alcali Surfactant Polymer (ASP) formulation containing hydrolysed polyacrylamide (HPAM) as a mobility control agent. HPAM is the most used polymer in the oil industry thanks to its low cost and availability in high quantities. However, initially it was not clear that HPAM efficiently worked for Caracara Sur, because HPAM properties limits its efficient application to low temperatures (<80 °C) and low-to-moderate salinity reservoirs. In this paper, we present the laboratory work that lead to find an innovative solution founded on the synergy between the formation water properties (low salinity) and high temperature environment in the Caracara Sur Field. The study focused on the polymer screening process, rheological properties of HPAM with the low salinity brine of Caracara Sur, the HPAM performance in porous media and chemicals to enhance its thermal stability. This work is only focused on the polymer selection and the synergy between low salinity brine and polymer flooding. The main results show that the developed formulation for the Caracara Sur reservoirs is a viable cEOR alternative. By injecting low salinity brine and HPAM with the right mix of other chemical components, it is possible to drastically reduce the cost of cEOR, whilst maintaining the same efficiency even at higher reservoir temperature. As a final product, an optimal ASP formulation has been developed and successfully tested both at laboratory and field conditions.

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Strategy and Planning EOR for Caracara Sur Field, Colombia - (SPE-164930)

Cited by 7 publications

References 0 publications

A comprehensive review of alkaline–surfactant–polymer (ASP) flooding

A comprehensive review of alkaline–surfactant–polymer (ASP) flooding

Application of Surfactant-based enhanced oil recovery in carbonate Reservoirs: A critical review of the opportunities and challenges

An Innovative Approach to Make HPAM an Effective Solution to Optimize the Low Salinity ASP Application in Caracara Sur Field, Colombia - Field Case

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