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Getting heavier with cesium brines  
Getting heavier with cesium brines
 
New research by Cabot Specialty Fluids shows that the density ceiling of cesium formate brine can be raised significantly when blended with cesium acetate brine.
Cabot launches Spanish-language website  
Cabot launches Spanish-language website
 
Following strong interest from Spanish-speaking countries, such as Mexico, Cabot Specialty Fluids has launched a full version of this website in Spanish at www.salmuerasdeformiato.com.
Getting heavy with oil-based completion fluids  
Getting heavy with oil-based completion fluids
 
Cesium formate brine has been extending the density range of low-solids oil-based completion fluids since 2001.
Cabot honoured with UNIDO chemical leasing award  
Cabot honoured with UNIDO chemical leasing award
 
Cabot Specialty Fluids (CSF) is recognised for its sustainable business model at the 2010 UNIDO (United Nations Industrial Development Organization) chemical leasing awards.
BASF shines the spotlight on the eco-efficiency of formate brines  
BASF shines the spotlight on the eco-efficiency of formate brines
 
BASF announces conclusions from a detailed investigation into the ecoefficiency of high-density completion brines. The two products put under the spotlight were formate brine and bromide brine.
Formate designer fluids strengthen wellbores  
Formate designer fluids strengthen wellbores
 
New technologies help Statoil drill into a depleted reservoir in a challenging North Sea HPHT field.
Compatibility with Shale – NEW technical manual section published  
Compatibility with Shale – NEW technical manual section published
 
The ever-expanding Formate Technical Manual (aka the Formate Bible) has grown once again. This time with a whole section dedicated to formate brines's compatibility with shales.
90% of reserves in seven years from HPHT gas fields drilled and completed in formate brines  
90% of reserves in seven years from HPHT gas fields drilled and completed in formate brines
 
Latest figures show that after just seven years of full production, formate brines have helped deliver close to 90% of estimated recoverable reserves from Huldra and Tune, two North Sea HPHT gas condensate fields.
Petrobras uses formate brine as drilling and completion fluid for Brazil’s most productive gas well  
Petrobras uses formate brine as drilling and completion fluid for Brazil’s most productive gas well
 
Brazil's going for gas independence and production optimisation is essential in achieving this. Offshore well Manati-6 is a text-book example. Petrobras describes this as "Brazil’s most prolific gas producer".
 
Formate brines deliver in slim-hole high-temperature gas wells for OMV in Thar desert  
Formate brines deliver in slim-hole high-temperature gas wells for OMV in Thar desert
 
OMV has published two papers on the development and successful use of formate brines as reservoir drilling and completion fluids in the Miano and Sawan high-temperature gas fields located in the Sindh area of Pakistan.
Cesium formate brine enhances HPHT gas reservoir definition  
Cesium formate brine enhances HPHT gas reservoir definition
 
Cesium formate brine delivers exceptional reservoir visualisation benefits by improving the acquisition and interpretation of the data generated by acoustic, resistivity and nuclear logging tools run on LWD and wire line.
Saudi Aramco uses formate brines as drilling and completion fluids in 44 deep gas wells  
Saudi Aramco uses formate brines as drilling and completion fluids in 44 deep gas wells
 
In a concerted drive to increase its non-associated gas production, Saudi Aramco has engaged in a lengthy campaign of drilling slim-hole wells with long horizontal sections through Khuff and Pre-Khuff gas reservoirs.
DensiCalc does the work for you  
DensiCalc does the work for you
 
DensiCalc is a newly updated density calculator from Cabot Specialty Fluids that converts surface density to equivalent brine density, calculates average density of wellbore fluid and the hydrostatic pressure generated for any given cesium/potassium brine.
New research sheds light on formate brine stability under hydrothermal conditions  
New research sheds light on formate brine stability under hydrothermal conditions
 
Researchers at a leading research institution, the Woods Hole Oceanographic Institution in the U.S., have brought new insight to understanding formate brine stability under hydrothermal conditions.
Formate brine passes six-year corrosion test in GOM HPHT well  
Formate brine passes six-year corrosion test in GOM HPHT well
 
After six years combating pressures of 14,000 psi and temperatures of 350°F (177°C) the production string was pulled from the High Island A-5 well #1 HPHT well in the Gulf of Mexico. Remarkably, the identification markings on the pipe were still intact.
Brine safety – it’s a burning issue  
Brine safety – it’s a burning issue
 
Halide brines vs. formate brines. Safety is an important factor to consider in brine choice.
Newly published papers give fresh insight into formate brines  
Newly published papers give fresh insight into formate brines
 
Three newly published papers further our insight into formate brines and how they are best used in the oilfield.
Independent tests show cesium formate increases ROP in deep HPHT wells  
Independent tests show cesium formate increases ROP in deep HPHT wells
 
A DOE-funded research programme into deep drilling optimisation has revealed that low-solids drilling fluids based on cesium formate brine can improve rates of penetration (ROP) by 100% under high-pressure conditions.
Photoelectric effect of cesium formate gives surprising payoff  
Photoelectric effect of cesium formate gives surprising payoff
 

“Logging while drilling (LWD) data using cesium formate-based fluids may lead to a more accurate net reservoir definition and better geo-models,” says Erik Sandtorv Pedersen, Petrophysicist at StatoilHydro.

Are you aware of the true cost of your brine?  
Are you aware of the true cost of your brine?
 
New tool developed by Gaia Consulting of Finland uncovers hidden costs of well completion and workover brines.
StatoilHydro rewrites the rulebook  
StatoilHydro rewrites the rulebook
 
With record-fast HPHT completion, exceptional well control and noteworthy productivity levels, StatoilHydro is setting new standards with Kvitebjørn, its North Sea gas/condensate field.
Corex sets new Gold Standard for HPHT Coreflood testing with cesium formate brine  
Corex sets new Gold Standard for HPHT Coreflood testing with cesium formate brine
 
A question asked for the last 12 years has finally been answered. Why are the low levels of formation damage measured in HPHT gas wells after exposure to high-density formate brines sometimes not reproduced in laboratory coreflood tests?
TXM experiences Hungarian Rhapsody – two records broken in extreme HPHT well with cesium formate  
TXM experiences Hungarian Rhapsody – two records broken in extreme HPHT well with cesium formate
 
TXM and Cabot Specialty Fluids enjoyed a ‘champagne moment’ after successfully suspending an extreme HPHT well located in southeast Hungary.
TOTAL beats barite sag on Elgin/Franklin  
TOTAL beats barite sag on Elgin/Franklin
 
Trying to workover high-angle HPHT wells in conventional muds or brines is a no go. This was the conclusion made by TOTAL E&P UK when carrying out remedial work on their Elgin G3 well in the North Sea during the development of the world's largest offshore HPHT field.
Cabot launches new formate technical manual  
Cabot launches new formate technical manual
 
Everything you wanted to know about formates is now collected together in this extensive technical manual. Existing research, new research, field experience and much more. Download your copy now!


  

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