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Keywords: stimulation
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Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199284-MS
... Abstract Placement of highly reactive stimulation fluid based on hydrochloric acid (HCl) into high temperature reservoirs or long pay intervals can be challenging and requires proper techniques to limit near-wellbore (NWB) spending, deconsolidation, and to extend the depth of fluid penetration...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199321-MS
... Abstract The article describes the main ideas of the integrated approach to the use of matrix-stimulation methods in the oilfields with sandstone reservoirs. LLC Gazpromneft scientific and technology center as the basis of the project "Optimal matrix stimulation methods" undertook the joint...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199272-MS
... Abstract The Danish North Sea Halfdan Field is developed with extremely long horizontal wells in a line drive producer/injector pattern. The carbonate reservoir requires successful acid stimulation to maximize the flow potential of the wells. High rate, matrix acidizing, relying on maximum...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199331-MS
... permeability reductions or fluid connectivity losses are often related to near-wellbore damage or ‘skin’ or in-well damage induced by fill, scales, waxes, asphaltene or other blocking mechanisms. In recent years an increasing number of coiled tubing ("CT") stimulation and cleanout interventions has led to the...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189538-MS
... Abstract Matrix stimulation is commonly utilized to increase well productivity and it is a process in which fluid selection plays a key role in treatment success. However, in offshore fields, the acid formulation must not only be effective in damage removal but it also has to meet stricter HSE...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189494-MS
... well in the Hassi Messaoud field in Algeria that was fracture stimulated but did not achieve the expected production increase, and it discusses alternative methods to increase well production by integrating geology and petrophysics with production and well-test data. The well was perforated in sand B...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189490-MS
... charge Abstract As the industry looks forward to increasing operational efficiencies and maximizing productivity, there has been increasing interest in perforating systems that can combine perforating and well stimulation in a single operation. For this reason, propellants have a unique place...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178953-MS
... Abstract Stimulating offshore sandstone formations with depleted reservoir pressure is a challenge. The conventional practices for sandstone acidizing are to pump pre- and post-flush hydrochloric acid to minimize precipitates from the main hydrofluoric acid reacting with the carbonates, and to...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178967-MS
... Abstract To meet rising global demands for energy, the oil and gas industry continuously strives to develop innovative oilfield technologies. A large portion of the world's oil and gas reserves are trapped in carbonate reservoirs, particularly in the Middle East. Well stimulation treatments for...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178996-MS
... Abstract This paper summarizes a wide variety of sandstone acid stimulation case histories, highlighting different aspects, such as mechanical conditions and operational practices. These include injection sequence changes, injectivity factor calculations, treatment volumes, quality control...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179011-MS
... Drillstem Testing well completion design formation damage total skin factor perforation pseudoskin factor stimulation productivity damage mechanism permeability society of petroleum engineers Upstream Oil & Gas mechanism operation skin factor reservoir Formation damage can happen...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178999-MS
... Control HF acid Production Chemistry Corrosion Management Brine stimulation acid treatment fluid formic acid flowline corrosion riser corrosion subsurface corrosion pipeline corrosion well integrity permeability materials and corrosion apca Sandstone acidizing is most effective...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179013-MS
... barrier formation against water influx, reducing skin factor caused by formation damage, and opening new flow paths from entrapped oil bodies existing below the gas cap. Thus, the treatment technology was qualified as a "multifunctional well stimulation" in contrast to the original term of "water shutoff...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168157-MS
... production performance depends primarily on wellbore conditions and reservoir properties. Understanding the dynamics of well's behavior and reservoir properties is the key to identify whether well stimulation (to increase both, well productivity and ultimate recovery) is necessary or not. Reservoir...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168145-MS
... CaCO 3 compared to HEDTA or EDTA and has a reasonable solubility in HCl ( Frenier et al, 2000 , 2003 ). In addition, they stated that corrosion inhibition might be easier for the acidic hydroxyl acids ( Frenier, 2001a ). For matrix stimulation jobs, Frenier et al. ( 2001b , 2004 ) preferred to use...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168168-MS
... on encouraging core flow test outcomes, an optimum job volume was engineered considering the critical zones radius (up to 1 ft), in fear for fine migration & water producing zone. Matrix stimulation job was executed in October 2012 which resulted in increment of ~7 MMscfd extending the plant life...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168163-MS
... acids and loadings of many additives. The environmentally friendly chelating agent, glutamic acid N,N-diacetic acid, GLDA, was successfully used to stimulate deep gas wells in carbonate reservoirs. It was extensively tested in the lab to stimulate sandstone cores with various mineralogies. Significant...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168129-MS
... Abstract The deep and hard carbonates found offshore Brazil are being extensively evaluated, and some of them would require fracture stimulation to enable commercial development. Due to the high effective normal stresses expected during the exploitation stage of pre-salt development, acid...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168167-MS
... 20 wells producing from carbonate formations. Fig. 2 Well count by formation type. Fig. 3 Well count for oil fields producing from carbonate formations. Acidizing is a well-established method for stimulation of carbonate reservoirs, and some important aspects of these...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 15–17, 2012
Paper Number: SPE-149997-MS
... Abstract Water is a key element in oil and gas operations. Many operations need and/or are performed most ideally with fresh water, but its availability is decreasing in some locations around the world. One area of particular concern is offshore operations to stimulate carbonate formations...

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