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The original TETRA CS Neptune fluid has now been successfully used in a number of ultra-deepwater wells as an alternative to cesium formate and zinc bromide brines. The first use of the fluid took place in the Gulf of Mexico in 2015. Completion and packer fluids with densities ranging from 14.4–14.9 lb/gal were required.Web
The highest density of cesium formate brine is only 2.42 g/cm 3, which cannot be served as the well completion fluid in ultra-high pressure reservoirs. The …Web
Pure cesium formate systems can be prepared with densities between 8.4 lb/gal (1.01 SG) and 20.0 lb/gal (2.40 SG), but cesium formate is most often commercially available at 17.5 lb/gal (2.10 SG) and 18.3 lb/gal (2.20 SG). Like potassium formate, cesium formate provides excellent thermal stability on natural polymers, clay stabilization and ...Web
25 grams of 98% (metal basis) cesium formate was $46.10, an 8% increase from $42.60 in 2021. Recycling: Cesium formate brines are typically rented by oil and gas exploration clients. After completion of the well, the used cesium formate brine is returned and reprocessed for subsequent drilling operations. Cesium formate brinesWeb
The novel packer fluid is a brine that can act as a high-density, solid-free fluid during drilling and completion in HT/HP reservoirs. This brine is prepared using an experimental design in three different densities and is compared with potassium formate and calcium bromide. Potassium formate is prepared from the reaction of potassium …Web
The computer program MCNP was used to model two logging-while-drilling density tools of different sizes in three different formate-mud systems. One mud was primarily potassium-formate brine, one was primarily cesium-formate brine, and one contained substantial quantities of both.Web
An 82 wt% cesium formate solution has a density of 2.4 g/cm 3 [19.9 lbm/galUS]. It has shown favorable health, safety, ... completion, or workover fluid. Cesium formate can be mixed with less expensive potassium formate to make clear brine mixtures with a density range from 1.8 to 2.4 g/cm 3. Formates have temperature stability in the range of ...Web
Sodium formate Potassium formate Cesium formate Solubility in water 47 %wt 77 %wt 83 %wt Density 1.33 g/cm3 11.1 lb/gal 1.59 g/cm3 13.2 lb/gal 2.30 g/cm3 19.2 lb/gal Formates brines are simple …Web
Five of the most popular are available for download below. Please contact us for others, including MSDSs for formate drilling fluid. Cesium formate brine for drilling, completion and intervention applications with a density range of 1.58 to 2.33 g/cm3. A blend of cesium formate and potassium formate brines for drilling, completion and ...Web
Cesium formate, while a strong technical choice in the higher density range, is an order of magnitude in price higher than potassium formate. It is obvious that the widespread use of the formates will only occur if the reclamation of these systems is efficient.Web
A cesium formate drill-in fluid at a density of 2.02 g/cm 3 was used to drill, core and complete the 8 ½" reservoir sections of the first eight wells in Kvitebjørn during the period 2004-7 [Berg ...Web
Cesium Formate. Molecular Formula CHCsO 2; Average mass 177.923 Da; Monoisotopic mass 177.903107 Da; ChemSpider ID 8329801Web
Product Name Cesium formate No. : B21327 CAS-No Synonyms No information available Recommended Use Laboratory chemicals. Uses advised against Food, drug, pesticide or biocidal product use. Details of the supplier of the safety data sheet Emergency Telephone Number During normal business hours (Monday-Friday, 8am …Web
The transition temperature of xanthan in cesium formate brine was found to reach a maximum of almost 180°C (356°F) at a brine density of 2.20 g/cm3 (18.4 lb/gal) compared with almost 200°C (396 ...Web
Due to its high solubility in water, a "clear brine" of Cesium Formate in water can reach 19.8 ppg (2.4 Sg) density. In achieving this high density, cesium formate …Web
In their work, high-quality FA 1-x Cs x PbI 3 ( x =0.05-0.16) perovskites are obtained by the SCI method. The ratio of FA to Cs in these SCI-FA 1-x Cs x PbI 3 perovskites can be facilely tuned by ...Web
Cesium formate brine with density of 2.19 g/cm 3/18.3 lb/gal provided effective hydrostatic well control in more than 20 HPHT workover and suspension operations in the Elgin/Franklin fields over nine years. Case: Workover and suspension Field research shows completion operations take significantly less time with cesium formate brine.Web
Product name: Cesium Formate Solution . REACH registration number: 01-0000000312-89 . Synonyms: CsCOOH-H2O, Cesium Formate Brine . 1.2. Relevant identified uses of the substance or mixture and uses advised against ... Vapor Density: No information available . Density: 1.05-2.40 g/cm3 . Bulk Density: No information available . Specific Gravity ...Web
For the first time worldwide the cesium formate brine was chosen as a drilling fluid. This fluid could be delivered solids free with densities up to 2.2 s.g. The required down hole density in the well was 1.91 s.g. At the same time it was necessary to have as little contribution to the equivalent circulating density (ECD) from the flow as …Web
densities above 15.1 ppg were needed. Cesium formate provided the same density benefit to the formate family of brines. Each of these brines has some serious limitations. Cost and supply limitations (Champeau, 2019) prevent cesium formate from being widely used. Zinc bromide is recognized globally as a priority pollutant, and environmental and HSEWeb
The exploration of ultra-high pressure reservoirs is becoming more and more common due to the increasing demand of fossil fuels. It is anticipated that well drilling and completion in ultra-high pressure reservoirs will be the main exploration work in the future. The highest density of cesium formate brine is only 2.42 g/cm 3, which cannot be …Web
Cesium formate Write a review 98% Synonym (s): Formic acid cesium salt Linear Formula: HCOOCs CAS Number: Molecular Weight: 177.92 Beilstein: 3912426 EC Number: 222-492-8 MDL number: MFCD00039103 PubChem Substance ID: 24866978 …Web
Section A1 describes the basic chemical properties of sodium, potassium and cesium formate brines and their blends. This includes properties such as molecular formula, …Web
density, solids-free cesium formate brine. Maximise reservoir productivity with our drill-in and completion fluids made from cesium formate brine in densities of 1.57 to 2.30 g/cm3/13.1 to 19.2 lb/gal. They're ideal for optimising and simplifying challenging drilling and completion operations havingWeb
About 85 percent of the cesium formate used can be retrieved and recycled for use in other drilling operations. The petroleum industry consumes more than half of the cesium produced annually. Cesium is also used in atomic clocks and plays a vital role in GPS, the Internet, cell phone transmissions and aircraft guidance systems.Web
formate and now cesium formate. Cesium formate has a maximum density of 2.3 specific gravity (sg) and may be blended with the other formates, Sodi-um and Potassium to give a fluid of any density between 1.0 sg and 2.3 sg depending on the density required for a specific application. At the lower end of the density scale Sodium formate and ...Web
The octamers were purified from DNA and then banded to equilibrium in cesium-formate guanidinium-HCI density gradients. The cross-linked dense octamers have the same density as the noncross-linked dense histones, and both were significantly heavier than histones synthesized in the presence of light amino acids. This experiment shows that …Web
Density: N/A: Solubility in H2O: N/A: Exact Mass: 177.903106: Monoisotopic Mass: 177.903106: Cesium Formate Health & Safety Information. Signal Word: ... Transport Information: N/A: WGK Germany: 3: MSDS / SDS: Request MSDS / SDS: About Cesium Formate. Cesium Formate is a cesium salt produced from pollucite ore or synthesized …Web
The highest density of cesium formate brine is only 2.42 g/cm 3, which cannot be served as the well completion fluid in ultra-high pressure reservoirs. The development of a higher density solid-free completion fluid has become a increasing demand as well as big challenge for ultra-high pressure reservoir exploration.Web
In achieving this high density, cesium formate retains exceptionally low viscosity. Referring to Figure 1, a sodium formate liquid at 1.2 Specific gravity (Sg, water=1 g/ml) has a viscosity of only slightly over 2 cP. Potassium formate at about 1.4 Sg has about a 3 cP viscosity, and is only about 10 cP or so at 1.5 Sg.Web
The high density of the Cs ion makes solutions of cesium chloride, caesium sulfate, and cesium trifluoroacetate (Cs(O 2 CCF 3)). Cesium is useful in molecular biology for density gradient ultracentrifugation. Atomic Clocks. Cs metal is used for time standards based on the natural vibration of the atom which oscillates 9,192,631,770 times/s.Web
Cesium Formate. Molecular Formula CHCsO. 2. Average mass 177.923 Da. Monoisotopic mass 177.903107 Da. ChemSpider ID 8329801. - Charge.Web
The density of cesium at room temperature is 1.93 g/cm 3 and its liquid form density is 1.843 g/cm 3. Cesium is ductile when in solid form which means it can be drawn into thin wires without breaking it. ... Cesium formate is used to maintain well control and protect drilling polymers due to its antioxidant activity. Cesium-based aqueous ...Web
Formate fluid is a solution of alkaline metal salts derived from formic acid in water. These salts are well soluble in water and provide high-density salt solutions. The three types of formate salts most commonly used in the oil industry are sodium formate (NaCHOO), potassium formate (KCHOO), and cesium formate (CsCHOO).Web
Cesium Formate fluids are ideal as base fluids in a number of industries. These non- corrosive organic monovalent fluids offer a number of performance benefits over traditional brines. Higher Density: Cesium formate fluids can reach 2.3 sg (19.2 ppg) at saturation. Cesium formate is 83% w/w soluble in water.Web
