... Abstract The Bakken Formation, an unconventional reservoir with very low permeability, is the main production zone in the Williston Basin, ND. Reliable numerical simulation of production performance of this formation requires an accurate description of the rock structures. Characterizing...

... Abstract The intermediate casing hole size can be calculated from empirical data in the Williston basin. Using this calculation reduces the cement excess required, helps achieve the top of cement objectives, and reduces the cementing costs. Many operators in the Williston basin are using...

... measurement pore size distribution Sonnenberg diameter mineralogy Niobrara sample unconventional reservoir Bakken formation Niobrara permeability correlation Williston Basin cementation factor Lower Eagle Ford Introduction Each shale reservoir has its unique set of petrophysical...

... are key, and most transverse fractures will be conductivity-limited. Abstract The Bakken Formation in the Williston Basin has experienced multiple periods of activity and the current level of exploration/exploitation in North Dakota is widespread. The prevalent drilling practices include single...

... Abstract Drilling and completing horizontal wells has become an accepted method to connect natural fracture systems and increase the effective drainage radius. In the Madison formation of the Williston Basin, common practice is to complete the horizontal laterals as open hole. Production...

... williston basin wellbore upstream oil & gas injection drillpipe society completion parasite string smith spe 39924 canada government reservoir cuttings nitrogen injection petroleum engineer united states government Introduction In order to achieve the maximum benefit from an open...

... Reservoir Characterization Williston Basin sedimentology Engineering Characterization structural geology Upstream Oil & Gas Red River Formation Abstract The upper Red River Formation in Bowman County, ND and Harding County, SD consists of four porosity benches. The porosity...

... ABSTRACT The properties of low density foamed cement slurries have been advantageously employed to overcome cementing problems in North and South Dakota, Wyoming, and Montana. For over 30 years, operators in the Williston Basin have encountered completion problems associated with several salt...

... ABSTRACT Mississippian age formations have been an historic exploration objective in the Williston Basin. In the period between 1980 and 1987, over 300 wells were drilled in the study area, most of which tested the Dale, Coteau, or Bluell subintervals of the Mission Canyon formation...

... superior performance in high-salt slurries. Field case histories are included from the Williston Basin to illustrate field utility. early compressive strength plastic salt performance property williams county casing and cementing aap system cement bond log salt formation cement and bond...

... completion installation and operations williston basin bakken shale three forks formation drillstem testing hydraulic fracturing reservoir characteristic reservoir upstream oil & gas characteristic north dakota permeability bakken drillstem/well testing proppant colorado lodgepole...

... and then adapted for mudlog shows. They have, however, been limited by the number of samples it is possible to plot on the specialized grids without losing interpretational value. A study using a large number of mudlogs from many different geological environments, including the Overthrust Belt and Williston Basin...

...CONCLUSIONS By changing to a relaxed invert emulsion drilling fluid and a two slurry system consisting of a HGS lead and a Class H low fluid loss zero free water KCl tail, Gulf has eliminated casing deformation in wells drilled in the Williston Basin. By changing to the above systems...

... ABSTRACT Many formations in the Williston Basin are naturally fractured limestones and dolomites. Naturally fractured reservoirs are typically the most difficult to maintain control of fracturing fluid leakoff. Treatments in the Mission Canyon, Midale and Ratcliffe formations of the Madison...

... williston basin cement upstream oil & gas spearfish strength neutral point casing and cementing drilling fluid selection and formulation mud removal drilling fluid chemistry slurry drilling fluid property stage collar spacer in-gauge hole salt zone retrogression drilling...