Desalination of Produced Water of Asab Oil Field Abu-Dhabi to Enhance its Oil Recovery and Water Injectivity

2018 ◽  
Author(s):  
Ilyas Khurshid ◽  
Md Monwar Hossain ◽  
Abdulrahman Alraeesi ◽  
Ameera Fares ◽  
Fatima Albalushi ◽  
...  
Keyword(s):  
Oil Recovery ◽  
Produced Water ◽  
Oil Field ◽  
Abu Dhabi

Electrochemical removal of sulfate from petroleum produced water

2015 ◽  
Vol 72 (2) ◽  
pp. 284-292 ◽  
Author(s):  
Pratiksha Jain ◽  
Mohita Sharma ◽  
Manoj Kumar ◽  
Prem Dureja ◽  
M. P. Singh ◽  
...  
Keyword(s):  
Oil Recovery ◽  
Produced Water ◽  
Anaerobic Fermentation ◽  
Petroleum Industry ◽  
Integrated Approach ◽  
Oil Field ◽  
Synthetic Wastewater ◽  
Second Step ◽  
Sulfate Removal ◽  
Electrochemical Removal

Petroleum produced water (PPW) is a waste-stream that entails huge cost on the petroleum industry. Along with other suspended and dissolved solids, it contains sulfate, which is a major hurdle for its alternative use intended toward enhanced oil recovery. This study proposes a two-step process for sulfate removal from PPW. A synthetic PPW was designed for the study using response surface methodology. During the first step, sulfate present in PPW was reduced to sulfide by anaerobic fermentation with 80% efficiency. In the second step, more than 70% of the accumulated sulfide was electrochemically oxidized. This integrated approach successfully removed sulfate from the synthetic wastewater indicating its applicability in the treatment of PPW and its subsequent applications in other oil field operations.

Challenges of Optimizing Oil Recovery of "Tight Carbonate" Reservoir, Onshore Abu Dhabi Oil Field, United Arab Emirates

2008 ◽  
Author(s):  
Mohamed Benlacheheb ◽  
Adib Edris ◽  
Omar Sultan Al Jeelani ◽  
Salman Hassan Al Marzouqi ◽  
Maryam Al Sheehi ◽  
...  
Keyword(s):  
United Arab Emirates ◽  
Oil Recovery ◽  
Carbonate Reservoir ◽  
Oil Field ◽  
Abu Dhabi ◽  
Tight Carbonate

The Molecular Ecology Analysis of Microbial Communities in LuLiang Oil Field

2014 ◽  
Vol 507 ◽  
pp. 810-816
Author(s):  
Li Na Yi ◽  
Yuan Dong Ma ◽  
Qing Feng Cui ◽  
Li Yu
Keyword(s):  
Clone Library ◽  
Oil Recovery ◽  
Produced Water ◽  
Molecular Ecology ◽  
Pseudomonas Stutzeri ◽  
Oil Field ◽  
Community Diversity ◽  
Rrna Gene ◽  
Injection Water ◽  
Dominant Bacteria

The molecular ecology analysis of microorganisms is important for the development of microbial enhanced oil recovery. The bacterial 16S rRNA gene clone library was constructed to detect the community diversity in injection-water and produced-water in Luliang Oil field in Xinjiang in this study. The phylogenetic analysis indecated that most of clones (76%) in injection-water were clustered in α-proteobacteria. Roseovarius sp. and Novispirillum sp. were the main bacteria accounting for 41.3% of the total of clones. And the most clones in production water were clustered in α,γ-proteobacteria with the phylotypes belonging to α-proteobacteria accounting for 61% of the clone library. Sphingomonas sp. and Pseudomonas stutzeri sp. were the dominant bacteria which constitute 26% and 22%. The variaty of functional bacteria is more in produced-water than injection-water.

scholarly journals Interception Characteristics and Pollution Mechanism of the Filter Medium in Polymer-Flooding Produced Water Filtration Process

Processes ◽  
2019 ◽  
Vol 7 (12) ◽  
pp. 927
Author(s):  
Xingwang Wang ◽  
Xiaoxuan Xu ◽  
Wei Dang ◽  
Zhiwei Tang ◽  
Changchao Hu ◽  
...  
Keyword(s):  
Oil Recovery ◽  
Suspended Solids ◽  
Produced Water ◽  
Oil Pollution ◽  
Water Injection ◽  
Polymer Flooding ◽  
Oil Field ◽  
Filter Medium ◽  
Colloidal System ◽  
Oil Droplets

Polymer flooding enhances oil recovery, but during the application of this technology, it also creates a large amount of polymer-contained produced water that poses a threat to the environment. The current processing is mainly focused on being able to meet the re-injection requirements. However, many processes face the challenges of purifying effect, facilities pollution, and economical justification in the field practice. In the present work, to fully understand the structure and principle of the oil field filter tank, and based on geometric similarity and similar flow, a set of self-designed filtration simulation devices is used to study the treatment of polymer-contained produced water in order to facilitate the satisfaction of the water injection requirements for medium- and low-permeability reservoirs. The results show that, due to the existence of polymers in oil field produced water, a stable colloidal system is formed on the surface of the filter medium, which reduces the adsorption of oil droplets and suspended solids by the filter medium. The existence of the polymers also increases the viscosity of water, promotes the emulsification of oil pollution, and increases the difficulty of filtration and separation. As filtration progresses, the adsorption of the polymers by the filter medium bed reaches saturation, and the polymers and oil pollution contents in the filtered water increase gradually. The concentration and particle size of the suspended solids eventually exceed the permissible standards for filtered water quality; this is mainly due to the unreasonable size of the particle in relation to the filter medium gradation and the competitive adsorption between the polymers and the suspended solids on the surface of the filter medium. The oil concentration of the filtered water also exceeds the allowable standards and results from the polymers replace the oil droplets in the pores and on the surfaces of the filter medium. Moreover, the suspended particles of the biomass, composed of dead bacteria, hyphae, and spores, have strong attachment and carrying ability with respect to oil droplets, which cause the suspended solids in the filtered water to exceed the permissible standards and oil droplets to be retained in the filtered effluent at the same time.

scholarly journals Characteristics and Management of Produced Water in Al-Ahdab Oil Field

2021 ◽  
Vol 1094 (1) ◽  
pp. 012090
Author(s):  
Zahraa N Mahbouba ◽  
Mahmood K Abdulkhalik ◽  
Jassim H Mussa
Keyword(s):  
Produced Water ◽  
Oil Field

Drilling Dynamics, Mechanical Specific Energy Data Help Drill Record Extended-Reach Well

2021 ◽  
Vol 73 (05) ◽  
pp. 59-60
Author(s):  
Chris Carpenter
Keyword(s):  
Specific Energy ◽  
Response Times ◽  
Oil Field ◽  
Abu Dhabi ◽  
Horizontal Section ◽  
Horizontal Drilling ◽  
Actual Weight ◽  
Mechanical Specific Energy ◽  
Weight On Bit ◽  
Extended Reach Well

This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 203335, “Using MSE and Downhole Drilling Dynamics in Achieving a Record Extended-Reach Well Offshore Abu Dhabi,” by Nashat Abbas and Jamal Al Nokhatha, ADNOC, and Luis Salgado, Halliburton, et al., prepared for the 2020 Abu Dhabi International Petroleum Exhibition and Conference, Abu Dhabi, held virtually 9–12 November. The paper has not been peer reviewed. Complex extended-reach-drilling (ERD) wells often present challenges with regard to geological aspects of data requirement and transmittal, reactive geosteering response times, and accuracy of well placement. Such scenarios may require innovative approaches in Middle East carbonate reservoirs. The objective of the complete paper is to illustrate that, by assessing the details of reservoir geology and key operational markers relevant for best practices, drilling approaches can be customized for each reservoir or scenario. Reservoir Background and Geology The planned reservoir section is a single horizontal of approximately 25,000-ft lateral length at a spacing of 250 m from adjacent injectors. The well was drilled from an artificial island. Field A, a shallow-water oil field, is the second-largest offshore field and the fourth-largest field in the world. Horizontal drilling was introduced in 1989, and an extensive drilling campaign has been implemented since then using steerable drilling technologies. This study is concerned only with wells drilled to develop Reservoir B in Field A, which contributes to the main part of initial oil in place and production. The thick limestone reservoir is subdivided into six porous layers, labeled from shallow to deep as A, B, C, D, E, and F. Each porous layer is separated by thin, low-porosity stylolites. The reservoir sublayer B, consisting of approximately 18-ft-thick calcareous limestones, was selected as the target zone for the 25,420-ft horizontal section. ERD, constructed on artificial islands, began on 2014 with a measured depth (MD)/true vertical depth (TVD) ratio approaching 2.2:1 or 2.4:1. A recent ERD well, Well A, was drilled at the beginning of 2020 with a MD/TVD ratio of 5:1. This value is a clear indication of progressively increasing challenges since the start of the project. Mechanical specific energy (MSE) has long been used to evaluate and enhance the rate of penetration (ROP); however, its use as an optimization tool in ERD wells has not been equally significant. This may have been mostly because of historical use of surface-measured parameters, which do not necessarily indicate the energy required to destroy the rock, particularly in ERD wells. Using optimization tools as part of the bottomhole assembly (BHA) downhole close to the bit provides actual weight-on-bit (WOB) and torque-on-bit (TOB) applied to the drilling bit to destroy the rock and, thus, results in more-representative MSE measurements to optimize drilling parameters and ROP in ERD wells.

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