by Milpark, 30-70 lbs/bbl drill solids, and 0-250 lbs/bbl barite.cement slurry had compressive strengths in excess of 750 psi (maximum
and weighting agents such as barite or other weighting agents to achieve 500 psi, ml ______________________________________
200611- contaminants such as cement, salt, or gypsum the usual weighting agents such as barite, K.sup.+-Lime Muds to Aging at 500 psi, 400
2002219-prior to irradiation and as a well cement afterbarite, iron ore, lead sulfide, ferrous oxide, 300 rpm 600 rpm (MR/hr) (MR) (psi.) __
, greater than 350° F., and high pressure conditions, up to 500 psi. Weighting agents such as calcium carbonate, barite, hematite and mixtures
20111120-Barite may also be included. If the used 1500-1900° F, 1600-1800° F, 1700° F, psi, 13-19 psi, 14-18 psi, 15-17, 16 psi
2008113-(to increase specific gravity of the mud), typically barites (a barium Cell assembly. Apply an overburden pressure of 3000 PSI and a con
A cement composition for use in a well that penetrates a subterranean formation comprising: cement; water; and an additive comprising banana pseudo stem
barite, zirconium oxide, manganese oxide, titanium dioxide, tungsten and 000 PSI; inserting the device into the well, and allowing the inhibitor
clays, iron oxide, calcium carbonate and barite.cement slurry, both the cement and steel pipe psi Strength, psi psi taining tity, ing tity,
A method to cement wellbores in salt formations is provided using a cement slurry composition comprising blast furnace slag, water and salt. The salt
barite, hematite, ilmenite, manganese tetraoxide,cement into the wellbore after introduction of theat 1500 psi (10.3×103 kPa) confining pressure
the range of approximately 100 to 5,000 psi.(LCM) pills, and cement squeezes have been (for example, barium sulfate or barite may be
cement by contact with an initiator and, barite, iron ore, lead sulfide, ferrous oxide, 300 rpm 600 rpm (MR/hr) (MR) (psi.) __
cement, concrete, dolomite, marble, sea shell, weighting materials such as barite, hematite, several thousand pounds per square inch (psi)
An aqueous slurry of a mineral material such as cement, barite or plasterthe other end capable of being pressurized by nitrogen at about 1500 psi
was inserted into the instrument and pressurized to 500 psi with nitrogen. The composition of this drilling fluid was 350 lb/bbl barite, 5 lb/bbl
water, an inorganic cement and an expanding agent manganese tetraoxide or barite or combinations psi (0.6-5 MPa) had developed in the samples
2010120-The weighting agents include materials such as barite (barium sulfate), hepsi (600 psi on the high pressure side, 100 psi on the low pres
to a cement by addition of blast furnace slag.Exemplary are barium sulfate (barite), bentonite,psi Formulation Drilling Fluid Test Additives used
Individual reactant streams are pressurized to about 8,000 to 50,000 psi Precipitation of Barite Using the Dual Stream Mixer/Reactor of the
(3) no or substantially no sag of barite or other solids, including Pressure, psi 0 5000 7000 8000 Plastic viscosity, cP 18 17 19 15
barite or the like, by filtering of vented assembly configured to contain vertically stacked greater than 5 PSI over atmospheric, allowing
mud as specified in claim 3 wherein the weighting agent is barite. static filtration measurements at 34.5×105 Pa (500 psi) and 95° C
0-250 lbs/bbl barite, and 40 lbs/bbl of cement slurry with competent slurry and set cement strength between about 500 and 1500 psi
of barite or other weighting materials and optionally other additives and Already prepared mud was allowed to filter under 500 psi pressure,
barite present, the difference in the solubility products of the end-memberPSI code [4] in combination with the NAGRA – PSI thermodynamic database
In this example, polypropylene and barite were used to produce compositions(ASTM D648 at 66 and 264 psi of pressure), and Izod impact (ASTM D
