1. Chemical for oil drilling fluids:
Weighting materials
 
  • API BARITE is used in all drilling fluids for the purpose of increasing density. Barite, which is predominantly barium sulphate, has a specific gravity of 4.20 or better and is chemically inert to drilling fluid additives.
  • TP-CALCIUM CARBONATE(C,M,F) can be supplied in a variety of grades to provide bridging or weighting particles of completion or workover fluids. It can be also used as non-damaging loss circulation or bridging material in oil muds to prevent differential sticking or mud losses when drilling into the reservoir. The material is acid soluble so that good clean-up is obtained by acidization.
Viscosifiers
 
  • API BENTONITE is used to increase viscosity and reduce fluid loss in water-base drilling fluids. It is a cost-effective means of achieving viscosity, fluid loss control and filter cake quality in freshwater and seawater muds.
  • DK DRILL-A1 is a partially hydrolysed polyacrylamide of high molecular weight. DK Drill-A1 is used for increasing viscosity in both freshwater and seawater
  • VISKOPOL is used mainly for the make-up of viscous sweeps when drilling with water in large diameter holes. VISKOPOL is quick to mix and gives relativily high viscosity at low concentrations and is therefore ideally suited for formulating spud muds
  • XCD POLYMER solution may be susceptible degradation, so a preservative such as biocides is recommended. At mud PH value above 10.0, XCD POLYMER becomes more sensitive to soluble calcium and may be precipitated out of solution, however, it can be added to most waters regardless of salinity. XCD POLYMER can also be used in lieu of bentonite to produce a no-solids viscous fluid.
  • Additions of NEW VIS yield shear thinning fluids. Viscosity is low at bit shear rates to optimize penetration, and is high at low annular shear rates to provide maximum hole aging.

Filtration control additives
 
  • CMC (LV, HV, EHV) is effective as a filtration control agent, protective colloid and viscosifier for low solid, water base muds. CMC is stable at temperatures in excess of 120oC (250oF). CMC is relatively stable to bacterial fermentation. It is effective in fluids containing up to approximately 50,000 mg/l sodium chloride. CMC is more effective when concentration of calcium are less than 500 mg/l.
  • PACSEAL-LV can control filtration of water base muds without severe increase in the mud viscosity. PACSEAL-LV is resistant to microogranisms. PACSEAL-LV control the filtration rate freshwater and saltwater muds
  • PACSEAL-R is added to freshwater or saltwater muds to reduce the filtration rate of the mud and improve filter cake quality. The regular viscosity grade is normally used in low-solids and low-weight muds. The super-viscositygrate is recommended for high solids muds to avoid excessive viscosity build-up.
Lubricants
 
  • PK-LUB is recommended for reducing torque and drag in any drilling fluids. PK-LUB is compatible with both fresh water and sea water muds and is equally effective in weighting-non weighting materials or low solids muds when used as recommended.
  • LUB-LS is recommended for reducing torque and drag. Improve lubricating qualities of water based fluids. Free stuck pipe when added in proper concentrations. At temperatures of up to 150oC, LUB LS remain effective and stable.
  • MIL-LUB is recommended for reducing torque and drag in any drilling fluids. MIL-LUB is compatible with both fresh-water and sea-water muds and shows no tendency toward foaming, abnormal flow property changes, or "greasing out" on weighting material when used as recommended. MIL-LUB is most efficent at a PH below 9.5, and performs best at a PH of 9.0 or below. MIL-LUB will resist hightemperature [ over 149oC (300oF)] degradation and "greasing out" in the presence of hardness, when PH is controlled in this range
  • RADIAGREEN EBL is a readily biodegradable and non toxic ester based lubricant, developed to increase drilling rates in operations using water based mud. Alow addition of Radiagreen EBL significantly reduces torque and pipe drag and minimizes bit balling. Radiagreen EBL is a readily emulsifiable in any water based mud (WBM). Its use does not affect rheology, filtration behaviour nor any other mud property. Radiagreen EBL is also effective in high density formulations. An addition of 3% results in a remarkably lower torque. The risk of stuck pipes ist vastly reduced by adding Radiagreen EBL, as it decreases the differential sticking pressure. The addition of 2% eliminates all sticking. At temperatures of up to 160oC, Radiagreen EBL remains effective and stable.
Shale control/Hole stability additive
 
  • PHPA can be added to water based drilling muds on its own or in combination with KCL, to inhibit shale bearing formations. Due to PHPA’s encapsulating property, clay and shale problems such as sloughing, swelling and bit balling are effectively prevented. PHPA reduced uncontrolled build up of colloidal solids and thus ensures control of viscosity at high penetration rate. This effect of PHPA on viscosity, decreases in high salt concentration. PHPA loses it’t effectiveness at higher calcium and magnesium ion concentration. These bi-valent cations should be kept to a minimum with Soda ASH.
Loss circulation materials
 
  • MICA (C, M, F) is used to prevent loss of circulation in thief zines. Mica can also be used in oil-base muds. .
  • TP-NUTLOSS (C, M, F) is used alone or in combination with other material to combat loss of circulation. TP-Nutlost can be added to the mud through the hopper, or directly to the suction pit if sufficient agitation is available. Treatment levels will depend on the severity of the loss-of-circulation problem. The shaker screeens will remove them from the mud system.
  • MIL SEAL (C, M, F) is added to combat a severe lost-circulation problem. Pretreament of the mud is sometimes done but not generally recommemded as screens must be bypassed, faccilitating a buildup of low-gravity solids. The fine ground product can be added in low concentration of 5.7 to 14.3 kg/m3 (2.0 to 5.0 lb/bbl) to aid in sealing microfissures. This product will pass through maximum of 20-mesh screen.
Foaming agents
 
  • TH PAW is used in foam production, drilling and any other applications where the generation of large volumes of stable foam is required
  • SULFOTEX-PAW is used in surfactants for production, drilling and any other applications where the generation of large volumes of stable surfactant required
  • FOAMER FSW is natural surfactants used for oil drilling fluids as in created foaming on base mud
  • SUPER PAC is used in surfactants for production, drilling and any other applications where the generation of large volumes of stable foam is required
Defoamers
 
  • ALUMINUM STEARATE can be added by sprinkling over the mud pits, or where a hydrocarbon oil may be tolerated as a suspension of 2.3 to 4.5 kg (5 to 10 lb) per 18.9 liter (5 gal) of oil. ALUMINUM STEARATE is highly effective as a defoamer at low concentration levels and has minimal effect on mud rheology.
  • ANTI-FOAM controls froth and foam in dispersed and non-dispersed aqueous muds. ANTI-FOAM also controls the foaming of polymeric fluids which are charectericzed by high yield point to plastic viscosity ratios. The high viscosity imparted by polymers can open result in considerable foaming, which ANTI-FOAM is effective in removing. ANTI-FOAM remains effective after initial defoaming and continues to suppress foam generation over extended period of time. Rigorous agitation appears to enhance the defoaming property of ANTI-FOAM.

Biocides
 
  • ANTIFORMIN DMT is used as disifectant in the extraction of juice from sugar beet slices. ANTIFORMIN DMT can be used in any water-base to control the growth of bacteria and fungus. ANTIFORMIN DMTcan control aerobic bacteris such as a slime formers and anaeribic bateria such as sulfate reducers
  • BACTERICIDE-PK should be used as supplied. It is readily soluble in both fresh and saline water. BACTERICIDE-PK is particularly suitable in water fluid systemes where biodegradable polymers are dissolved.

Inhibitors
 
  • DCP-208 is used as the primary clay swelling inhibitor and shale stabilizer in the polymer drilling fluids system.
  • AQUA-COL D is used as an inhibitor to prevent shales containing medium to high smectite/interlayered clay contents from dispersing in to the mud system.
  • STOKOPOL 35 is used as the primary clay for the inhibitor of swelling and high effect when be used to open productions.
Drilling detergents
 
  • MD is a highly active surfactant used primarily in freshwater or seawater muds for upper-hole drilling.
Deflocculants/Thinners
 
  • S.A.P.P may be added to muds to reduce PH and calcium from cement contamination. It may also be used in low-weight freshwater muds to reduce viscosity and gels and to reduce the hardness level.
  • FERRO-CHROME LIGNOSULFONATE (FCL) is used as a deflocculant and filtration control agent at alkaline PH in water based system, including fresh, salt and calcium-treated water base muds. FCL provides excellent thermal stability for the control of rheological and filtration prorerties. FCL will also inhibit the reactivity of clay solids when used in proper concentration. FCL is commonly used to prevent salt flocculation of bentonite and to reduce the effects of high temperature gellation in bentonite fluids.
Spotting fluids
 
  • MIL FREE is recommemded for freeing differentially stuck pipe in water-base muds when an unweighted spotting fluid can be safely used.
  • MIL SPOT 2 is a one-drum spotting fluid product used to free differentially stuck drillpipe. Since time is important when drillpipe becomes differentially stuck, MIL-SPOT 2 offers a quick solution to preparing a spotting fluid at the rig site.

Worker and completion chemical/Surfactant

 
  • SALT is added to saturate the water phase when drilling salt stringers or massive salt sections. In some applications, SALT is used as a bridging agent for lost circulation in saturated-salt system. Brine fluids weighing up to 1200 kg/m3 (10 lb/gal) can be prepared from SALT for completion or workover applications. .
  • CALCIUM CHLORIDE is added to water to provide the desired specific gravity or chloride content. CALCIUM CHLORIDE is very soluble and capable of increasing the density of water to 1.4 kg/l (11.6 lb/gal).
  • TH PAW is used foam production, drilling and any other applications where the generation of large volumes of stable foam is required.
  • SULFOTEX PAW is used in foam production, drilling and any other applications where the generation of large volumes of stable foam is required.
  • FOAMER FSW is natural surfactants used for oil productions as in created foaming system on fresh or sea water base for free oil wells with purpose in reduction pressure at the bottom under of hydraulic or mixed with component acids for treatment at the bottom of oil wells. It is also used variety of industrial and commercial application
  • SUPER PAC is used in foam production, drilling and any other applications where the generation of large volumes of stable foam is required.

Commercial chemicals

 
  • KALI ALUMINUM/AKK is used for inhibition of drilling muds system, special in KCL system.
  • CAUSTIC SODA is a highly alkaline compound used to control the PH in water base muds. It will further assist in the solubility of deflocculants, e.g.lignosulfonate and chrome lignite. Addition of CAUSTIC SODA increases the hydration rate of clays. High PH is an aid to controlling corrosion and combat H2S gas.
  • CITRIC ACID is used as a PH buffer in water based drilling fluids system. CITRIC ACID can be used for treatment cement contemination, often in combination with carbonates.
  • GRAPHITE is effective for insreasing lubricant in water base drilling muds, even at high temperetures. GRAPHITE is recommended for reducing torque and drage, preventing side-wall sticking and reducing friction.
  • LIME is used to treat bicarbonate contamination HCO3 + Ca(OH)2 → CaCO3 + H2O + OH for preparation of LIME muds. As PH control in gypsum muds. For control of alkalinity and saponification in oil muds. As a flocculant in spud mud.
  • POTASSIUM CHLORIDE provides potassium ions to inhibit shale swelling and dispersion. Add POTASSIUM CHLORIDE to obtain the potassium ion level needed to maximize the integrity of drill cutting and to maintain borehole stability.
  • POTASSIUM HYDROXIDE is a highly alkaline compound used to control the PH in KCL water base muds. It will further assist in the solubility of deflocculants, e.g.lignosulfonate and chrome lignite. Addition of POTASSIUM HYDROXIDE increases the hydration rate of clays. High PH is an aid to controlling corrosion and to combat H2S gas.
  • SODA ASH is used to remove soluble calcium salts from make-up water mud CaSO4 + Na2CO3 → CaCO3 + Na2SO4 . SODA ASH is not recommended for treament of cement contamination due to increase in PH, Ca(OH)2 + Na2CO3 → CaCO3 + 2NAOH
  • SODIUM BICARBONATE is used primarily to remove calcium from muds with PH above 9:0, especially calcium contamination due to cement. Ca(OH)2 + NaHCO3 → CaCO3 + H2O + NaOH. Calcium contamination from anhydrite, CaSO4 should be removed with SODA ASH if a simultaneous reduction in PH is not desirable.
  • SODIUM CHLORIDE is used for : Saturated salt muds (for drilling salt zones). Work-over fluids. In completion fluids it is used to formulate brines with densities up to 1.2 specific gravity. In combination with calcium chloride, brines up to 1.36 can be formulated.
  • ZINC CARBONATE is used to remove sulphides caused by the intrution of hydrogen sulphide gas in water base muds. ZINC CARBONATE reacts to precipitate soluble sulphide as insoluble zinc sulphide. The reaction is rapid and will occur over broad PH range including both alkaline and acid environments. ZINC CARBONATE is non-corrosive to ferrous metal and protects rig personnel from hydrogen sulphite poisoning.
2. Chemical for oil production
3. Chemical for bridge and construction: Bentonite, CMC-HV, Viskopol, Mica(C,M,F).
4. Equipment for oil- gas yield: Lab-equipments, Drilling and exploration.

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