... this information contributes to our understanding of the risk profile that these types of agglomerated materials present in produced water re-injection and how that risk profile may be developed and analysed in the future. separation and treating concentration Upstream Oil & Gas information produced...

... and Operations H2S management stimulation treatment Production Chemistry Upstream Oil & Gas CT image corrosion inhibitor APCA hcl acoh wormhole brine permeability reservoir production direction agent acid high temperature core material dissolution concentration reservoir core perforation...

... and materials Upstream Oil & Gas Technology Overview evaluation sensor magnetic flux leakage society of petroleum engineers oxygen content defect materials and corrosion well integrity concentration Hydrogen Sulfide oxygen scavenger bacteria operation flux leakage Corrosion, corrosion...

...-impregnated bit lower basalt series offshore rotation speed Upstream Oil & Gas diamond-impregnated drillbit performance cutting structure cutter unconfined compressive strength society of petroleum engineers concentration rock strength Introduction Block 6104/21 is situated approximately...

... of oil-based filter cake. Berea sandstone cores with an average porosity of 18 vol% and an average permeability of 50 md were used. CT scan, XRD, SEM, and chemical analysis were used to examine the reaction characteristics of different concentrations of acid with ilmenite oil-based filter cake. Coreflood...

... fracturing fluid; Results of post fracturing water injection performances. proppant fracturing materials Upstream Oil & Gas friction fracturing fluid hydraulic fracturing polymer concentration lbm Mgal gel residue fracture conductivity conductivity fluid system viscosity...

... it performs well, several operators seek sulfur-free stabilizers that can perform equivalent to sulfur-based compounds. This paper describes a sulfur-free gel stabilizer developed for enhancing the stability of fracturing fluid, allowing a lower concentration of gelling agent. This gel stabilizer is sulfur...

... for chemical EOR processes, (2) investigate the feasibility of Polymer flood (P), Alkaline/Polymer (AP), Surfactant/Polymer (SP), and Alkaline/Surfactant/Polymer(ASP) processes in low permeability carbonate reservoirs, (3) study the effect of using high concentration of surfactant in the ASP slug on oil...

... are discussed. Upstream Oil & Gas enhanced recovery surface area diameter concentration retention mechanism pore throat wettability alteration injection application nanoparticle enhanced oil recovery porous media nanofluid reservoir permeability Oil Recovery Introduction...

... using the aging cell with mud acid (3 wt% HF, 12 wt% HCl) up to 300°F. The effects of temperature, soaking time, and static and dynamic conditions were examined. The supernatant of solubility tests was analyzed to measure total silicon concentrations using ICP-ES. The proppant was sieved before...

... (15 wt. %) and various spent acid concentrations (12.5, 10 and 7.5 wt. %). A customized rotating disk apparatus was used to obtain the reaction kinetics data at pressure conditions of 1000 and 3000 psi at various disk rotational speeds (250 – 1250 rpm) at 150 °F. Samples of the reacted acid were...

... function, may impact significantly the outcome of the acid treatment either positively or negatively. The objective of this study is to examine the effect of the type and concentration of several additives, which are currently in-use in the oilfield, on the calcite dissolution rate with HCl using...

... property manganese tetroxide concentration drilling fluid selection and formulation Upstream Oil & Gas acid filter cake rheology weighting material acid precursor HCl acid drilling fluids and materials sag resistance weighting agent barite breaker fluid barite manganese tetroxide sag...

... Abstract Knowing the H 2 S concentration early in the exploration and appraisal phase of a potential hydrocarbon discovery is critical for proper planning of the development phase. Production from a newly discovered accumulation often requires tie-in to an existing pipeline or facility, which...

... the limited background of fracture technology applications in Italy. The objectives were concentrated on the reserves final recovery of the principal layers and assessment of potential thin layers that has never produce before, which entail the use of technologies state-of-the-art for drilling, completions...

... enhanced recovery oil production profile control injection parameter concentration polymer flooding Daqing Oilfield oil and gas Upstream Oil & Gas Petroleum Industry Press application flooding molecular weight water flooding polymer injection oil layer water cut injection waterflood...

... ranged from 5,000 ppm to 60,000 ppm and different alkali concentrations ranged from 0.4% to 1.2% were utilized to determine the change in soluble silica concentrations. In addition, two inhibitors; namely, Boric acid (BA) and Ploy Acrylic Acid (PAA) were screened and the optimum concentration for each...

... studied as a function of encapsulated breaker concentration in temperatures up to 275°F. The results derived from this investigation are of significant importance to the oilfield industry. fracturing materials Upstream Oil & Gas chelant encapsulated breaker breaker system proppant novel...

... Abstract Facilities sand management is tasked with the goal of ensuring sustained hydrocarbon production when particulate solids (i.e. sand or proppant) are present in well fluids, while minimizing the impact of these produced solids on surface equipment. Particle size and total concentration...

... stress rheology Efficiency drilling fluid chemistry drilling fluid property Upstream Oil & Gas concentration stress response fiber lcm op ii Magnitude fluid system non-aqueous drilling fluid composition tapered slot rheology rheometer NAF PPA fracture circulation control...