Abstract: A wellbore fluid composition includes an aqueous base fluid and mesoporous silica nanoparticles (MSNs). The MSNs are encapsulated in a surfactant. A method of drilling a wellbore includes circulating an aqueous drilling fluid into the wellbore while drilling and recovering shale cuttings from the aqueous drilling fluid. The aqueous drilling fluid includes mesoporous silica nanoparticles encapsulated by a surfactant.

Abstract: method for characterizing an oil well may include obtaining measurements of petrophysical properties relating to the oil/gas or water well, obtaining a computer-aided tomography index measured on a core sample relating to the well that is matched to geochemical concentration from geochemical logs or rock-analysis, correcting the measurements of petrophysical properties as a function of the computer-aided tomography index, and developing a model of a subterranean formation using the measurements that were corrected.

Abstract: A system includes a casing string, a flow control apparatus, and a stinger. The flow control apparatus includes a tubular body, a float valve, and a disk. The tubular body has a conduit and a first end. The first end is connectable to the casing string. The float valve is fixed within the conduit of the tubular body and is configured to block flow in a first direction and allow flow in the second direction. The disk is fixed above the float valve and within the conduit of the tubular body. The disk is configured to prevent flow in the second direction until the disk is broken by a pre-determined force. The stinger is deployed in the casing string and applies the pre-determined force to the disk to allow a flow of the fluid, in the second direction, from the stinger to the annulus.

Abstract: Disclosed herein are modified zeolites and methods for making modified zeolites. In one or more embodiments disclosed herein, a modified zeolite includes a microporous framework including a plurality of micropores having diameters of less than or equal to 2 nm and organometallic moieties each bonded to bridging oxygen atoms. The microporous framework includes at least silicon atoms and oxygen atoms. The organometallic moieties include a metal atom and a ring structure including the metal atom, a nitrogen atom, and one or more carbon atoms. The metal atom may be bonded to a bridging oxygen atom, and wherein the bridging oxygen atom bridges the metal atom of the organometallic moiety and a silicon atom of the microporous framework.

Abstract: Methods for synthesizing zeolites in the presence of a pH-modified WS-ODSO composition are provided. A pH-modified WS-ODSO composition is used as a component in zeolite synthesis along with precursors and reagents for synthesizing zeolites. The methods advantageously reduce the amount of utility water required for synthesizing zeolites. In certain embodiments the methods reduce the amounts of added mineralizer reagent typically required for synthesizing zeolites. The methods advantageously reduce the amount of utility water required for synthesizing a material and reduce the DSO waste from a refinery and discharge into the environment.

Abstract: Methods for treating a formation may include introducing components of a treatment solution into a wellbore such that the treatment solution contacts the formation to be treated, where the treatment solution may include urea, urease, a calcium ion source, one or more polysaccharides, a casein protein, a protease, an ionic compound, and a sugar, where the formation may have an amount of sand production before treatment and may be in fluid contact with the wellbore, and where an amount of sand production after treatment may be less than the amount of sand production before treatment. Consolidated sand structure compositions may include previously unconsolidated sand interlinked by inter-particle cementitious bonds comprising deposited calcium carbonate crystals, where the consolidated sand has a structural strength and the consolidated sand structure is porous to permit fluid flow through the composition.

Abstract: A system includes an upper section, having a first lateral end. The upper section has upper production tubing configured to be a conduit for production fluids, an upper electrical cable configured to transmit electricity, and a sub-surface safety valve fixed to the upper production tubing. The system further includes a lower section having a second lateral end, lower production tubing configured to be a conduit for the production fluids, a lower electrical cable configured to transmit electricity, an electric submersible pump assembly, and an anchor configured to hold the lower section within the casing string. A stinger assembly is fixed to the first lateral end of the upper section, and a stinger receptacle is fixed to the second lateral end of the lower section. The stinger receptacle is configured to receive the stinger assembly and create an electrical connection between the upper section and the lower section.

Abstract: Methods of and systems for forming an image of a subterranean region of interest are disclosed. The method includes obtaining an observed seismic dataset and a seismic velocity model for the subterranean region of interest and generating a simulated seismic dataset based on the seismic velocity model and the source and receiver geometry of the observed seismic dataset. The method also includes forming a plurality of time-windowed trace pairs from the simulated and the observed seismic datasets, and forming an objective function based on a penalty function and a cross-correlation between the members of each pair. The method further includes determining a seismic velocity increment based on the extremum of the objective function and forming an updated seismic velocity model by combining the seismic velocity increment and the seismic velocity model, and forming the image of the subterranean region of interest based on the updated seismic velocity model.

Abstract: Cement compositions of the present disclosure include a cement precursor, water, and a cement retarder that includes hydrocarboxylic acid derivatives. In particular, the cement compositions include from 10 wt. % to 70 wt. % cement precursor, from 5 wt. % to 70 wt. % water, and from 0.1 percent by weight of cement (BWOC) to 10 percent BWOC cement retarder comprising the hydrocarboxylic acid derivatives. The hydrocarboxylic acid derivatives provide increased thickening time to the cement compositions at downhole temperatures of greater than or equal to 50° C. The present disclosure further includes methods of cementing a wellbore using the cement compositions with the cement retarder comprising the hydrocarboxylic acid derivatives.

Abstract: Methods and systems for monitoring an annulus pressure of a well. The method includes performing periodic surveys to monitor an annulus pressure of the well, determining the annulus pressure of the well over a period of time, comparing the annulus pressure to a Maximum Allowable Wellhead Operating Pressure (MAWOP), and generating a decision on whether the well is a workover candidate based on results of the comparison. The system includes a collecting tool that performs periodic surveys to monitor an annulus pressure of the well, determines the annulus pressure of the well over a period of time, and broadcasts information relating to the periodic surveys. The system further includes a processor that obtains the information relating the periodic surveys, compares the annulus pressure to a Maximum Allowable Wellhead Operating Pressure (MAWOP), and generates a decision on whether the well is a workover candidate based on the results of the comparison.

Abstract: A packer couples a first tubing and a second tubing while sealing against a wall of a wellbore formed in a subterranean formation. A first hydrocarbon stream is flowed across the packer from the surface through the first tubing to a downhole location. The first hydrocarbon stream has a hydrogen sulfide content that is less than a hydrogen sulfide content of downhole fluids present in the subterranean formation. A second hydrocarbon stream is flowed across the packer from the downhole location through the second tubing to the surface.

Abstract: A blend for lubricating a surface includes a lubricant and a polyepoxide co(ter)polymer additive mixed with the lubricant. The polyepoxide co(ter)polymer additive includes a first block having monomer M1 and a second block having monomer M2. The first monomer M1 includes hexene oxide, HO, or octene oxide, OO, and the second monomer M2 includes propylene oxide, PO.

Abstract: A system for navigating a downhole environment includes a tube body with a flexible material that is formed as a thin-walled tube and a pump that pumps pressured fluid through the tube body. The tube body has at least a section that extends along a horizontal section of a downhole environment by the flexible material pushing out under the pressured fluid. A method for navigating a downhole environment includes providing a tube body with a flexible material which is formed as a thin-walled tube, pumping a first pressure through the tube body to extend the tube body by the flexible material pushing out at tip, and controlling the flexible material to extend the tube body along a horizontal section of a downhole environment.

Abstract: According to embodiments, a method of producing a catalyst composition may include forming a slurry including an initial zeolite material, a surfactant, silica, and metal precursors, wherein the metal precursors contain a nickel-containing compound and a silver-containing compound, extruding the slurry to produce an extrudate, drying and calcining the extrudate to form a dried and calcined extrudate, hydrothermally treating the dried and calcined extrudate to form a hydrothermally-treated extrudate, and drying and calcining the hydrothermally-treated extrudate to produce the catalyst composition, wherein the catalyst composition includes zeolite, one or more oxides of nickel, and one or more oxides of silver.

Abstract: Described is a transparent polymer-based composite and a method for preparing a transparent polymer-based composite. The transparent polymer-based composite includes an activated polycarbonate and one or more nanoparticles grafted to the activated polycarbonate. The activated carbonate is formed via a transcarbonation reaction of a mixture of a carbonic acid species having terminal ester groups and a bisphenol-A with sodium hydroxide and ortho-dichlorobenzene. The transparent polymer-based composite may be used to replace the glass front-sheet of solar panels for photovoltaic applications.

Abstract: A diverter agent includes a morpholinium based zwitterionic surfactant having a sulfonate terminal moiety; and an ammonium based zwitterionic surfactant.

Abstract: An engineered cementitious composite (ECC) has a tensile strain capacity ranging from 8.6 to 12.5% and includes a cement precursor, unprocessed desert sand, and polymer fibers. The polymer fibers may be ultra-high molecular weight polyethylene fibers, polypropylene fibers, or a combination thereof. A method of preparing an ECC structure includes providing a cementitious precursor mixture including a cement precursor and unprocessed desert sand, introducing water into the cementitious precursor mixture to form a cement slurry, and adding polymer fibers to the cement slurry. The polymer fibers may be ultra-high molecular weight polyethylene fibers, polypropylene fibers, or a combination thereof. Then, the method includes forming a structure with the cement slurry and curing the cement slurry.

Abstract: Separation methods comprising: separating hydrogen sulfide from natural gas liquids (NGL) in a stripping column. Wherein the following are fluidly connected to the stripping column: a first condensate input line, a second condensate input line, a condensate stripper feed line, a feed drum, an overhead gas product line, a bottoms product NGL line, a slip stream NGL line, a reboiler return line, and an external stripping gas line. And feeding, to the stripping column in a stripping gas feed line fluidly connected to the stripping column, a portion of the slip stream NGL line in combination with the external stripping gas line.

Abstract: This disclosure relates to systems for waste gas sequestration in geological formations and methods for of gas sequestration of waste gas in geological formations. The system can include a wellbore, a casing, inner tubing, a water passage, outer tubing comprising a plurality of diffusion membranes, and a formation conduit comprising reactive rock.

Abstract: A method for logging in a well is disclosed. The method includes securing a passive logging while levitating (PLWL) assembly to a bottomhole assembly (BHA) to form a logging assembly and running the logging assembly into a wellbore of the well. The method further includes detecting a deviation in the wellbore, detecting a fluid flow direction around the logging assembly in the wellbore, activating the PLWL assembly based, at least in part, on the deviation in the wellbore and the fluid flow direction, and levitating the logging assembly in a center of the wellbore. The method also includes determining whether the logging assembly has reached a target depth and performing logging in the well while the logging assembly is levitating in the center of the wellbore.