Question 1

Commercial Clays

Accepted Answer

STAGEL NT
Non-Treated Bentonite, 1 MT/BB STASEP
Premium Grade Sepiolite Clay, 1 MT/BB

Question 2

Viscosifying Agents

Accepted Answer

STAGEL NT
Non-Treated Bentonite, 1 MT/BB STASEP
Premium Grade Sepiolite Clay, 1 MT/BB STAPAC R
API Grade Regular PAC Polymer, 25 kg/sack STAPAC LV
API Grade Low-Viscosity PAC Polymer, 25 kg/sack STACMC HV
API Grade Carboxymethyl Cellulose, 25 kg/sack STACMC LV
API Grade Low Viscosity Carboxymethyl Cellulose, 25 kg/sack STAZAN D
Easily Dispersible Xanthan Gum, 25 kg/sack STAZAN D+
Extra Low-Shear Rheology Xanthan Gum, 25 kg/sack STAZAN L
Liquid Xanthan Gum, 55 gal/drum STAGUM
Premium Grade Guar Gum, 25 kg/sack STAHEC
Nonionic Hydroxyethylcelulose Polymer, 25 kg/sack STAVIS HT
Modified Polymer for Extra High Temperature, 25 kg/sack

Question 3

Fluid Loss Control Agents

Accepted Answer

STAPAC R
API Grade Regular PAC Polymer, 25 kg/sack STAPAC LV
API Grade Low-Viscosity PAC Polymer, 25 kg/sack STA-SP
Sodium Polyacrylate/HT Filtration Control Polymer, 25 kg/sack STACMC HV
API Grade Carboxymethyl Cellulose, 25 kg/sack STACMC LV
API Grade Low Viscosity Carboxymethyl Cellulose, 25 kg/sack STATHIN
Chrome Free Lignosulfonate, 25 kg/sack STALOSE
Filtration Control Polymer, Starch, 25 kg/sack STARESIN
High Temperature Filtration Control Polymer, 25 kg/sack

Question 4

High Temperature System Chemicals

Accepted Answer

STAMAG
High Temperature Alkalinity Control, 25 kg/sack STASEP
Premium Grade Sepiolite Clay, 1 MT/BB STALOSE HT
HT Filtration Control Polymer, Modified Starch, 25 kg/sack STAVIS HT
Modified Polymer for Extra High Temperature, 25 kg/sack STATHIN HT
Acrylic Copolymer for High Temperature, 25 kg/pail STATHIN HTS
Powder Acrylic Copolymer for HT, 25 kg/sack STARESIN
High Temperature Filtration Control Polymer, 25 kg/sack

Question 5

Deflocculants & Dispersants

Accepted Answer

STATHIN
Chrome Free Lignosulfonate, 25 kg/sack STATHIN HT
Acrylic Copolymer for High Temperature, 19 lt/pail STATHIN HTS
Powder Acrylic Copolymer for HT, 25 kg/sack STARESIN L
Resinated Lignite, 19 lt/pail STASAPP
Sodium Acid Pyroposphate, 25 kg/sack

Question 6

Shale Stability Agents

Accepted Answer

STAEASE S
Powder Form Lubricant & Shale Stability, 25 kg/sack STACAP
Encapsulating Polymer/Shale Stability, 25 kg/sack STACAP LV
Encapsulating Polymer/Shale Stability LSRV, 25 kg/sack STACAP L
Liquid Encapsulating Polymer/Shale Stability, 19 lt/pail STAB-GIL
Premium Grade Gilsonite/Shale Stability, 25 kg/sack STAB-ASP
Sulfonated Asphalt/Shale Stability, 25 kg/sack STAB-SASP
Supreme Sulfonated Asphalt/Shale Stability, 25 kg/sack STAGUARD
Shale Inhibitor, 55 gal/drum STAB-ASP K+
Potassium Salt of Sulfonated Asphalt, 25 kg/sack STA-GLIC LC
Glycol LC/Shale Stability, 55 gal/drum STA-GLIC MC
Glycol MC/Shale Stability, 55 gal/drum STA-GLIC HC
Glycol HC/Shale Stability, 55 gal/drum

Question 7

Lubrication Agents

Accepted Answer

STAEASE L
Liquid Lubricant for Water Based Muds, 55 gal/drum STAEASE S
Powder Form Lubricant & Shale Stability, 25 kg/sack STAEASE B
Solid Lubricant Spherical Glass or Plastic Beads, 50 lb/sack STANCER
ROP Enhancer, 55 gal/drum STAEASE HTHP
Liquid Lubricant for HPHT, 55 gal/drum STAEASE EBL
Ester Based Liquid Lubricant, 55 gal/drum

Question 8

Surfactants

Accepted Answer

STAFREE
Spotting Fluid, 55 gal/drum STACLEAN
Bit Balling Preventer, 55 gal/drum STACAKE-UP
Mud Cake Clean up Solvent, 19 lt/pail STAFOAM L
Liquid Foaming Agent, 55 gal/drum STAWET
Drilling Detergent, 55 gal/drum STANCER
ROP Enhancer, 55 gal/drum STAB-GLIC
Glycol/Shale Stability, 55 gal/drum

Question 9

Foam-breakers

Accepted Answer

STANOFOAM
Silicon Based Defoamer, 20 l/pail STADEFOAM
Alcohol Based Defoamer, 55 gal/drum STANOFOAM P
Aluminum Stearate/Powder Defoamer, 25 kg/sack

Question 10

Weighting Agents

Accepted Answer

STABAR
API Grade Barite, 1.5 MT/BB STACARB C
Coarse Grade Calcium Carbonate, 1 MT/BB STACARB M
Medium Grade Calcium Carbonate, 1 MT/BB STACARB F
Fine Grade Calcium Carbonate, 1 MT/BB

Question 11

Lost Circulation Materials

Accepted Answer

STASEAL F
Mixture of Different Types of LCM, Fine, 25 kg/sack STASEAL M
Mixture of Different Types of LCM, Medium, 25 kg/sack STASEAL C
Mixture of Different Types of LCM, Coarse, 25 kg/sack STAPLUG F
Fine Grade Mica, 25 kg/sack STAPLUG M
Medium Grade Mica, 25 kg/sack STAPLUG C
Coarse Grade Mica, 25 kg/sack STACARB F
Fine Grade Calcium Carbonate, 1 MT/BB STACARB M
Medium Grade Calcium Carbonate, 1 MT/BB STACARB C
Coarse Grade Calcium Carbonate, 1 MT/BB STACARB 1000
Coarse Grade Calcium Carbonate, 40 kg/scak STACARB 1500
Coarse Grade Calcium Carbonate, 40 kg/scak STAFIBER MIX
Mixture of Fiber Materials in Different Grades, 25 kg/sack STAXC PLUG
Cross-Link Polymer for Total Loss, 25 lb/sack STASQUZ SEAL
Acid-Soluble LCM for Total Loss, 50 lb/sack STANUT
Hazelnut Shell, 1 MT/BB STANUT F
Fine Hazelnut Shell, 25 kg/sack STANUT M
Medium Hazelnut Shell, 25 kg/sack STANUT C
Coarse Hazelnut Shell, 25 kg/sack STANUT P
Peanut Shell, 1 MT/BB STASEED C
Coarse Apricot Seed, 1 MT/BB STASEED XC
Extra Coarse Apricot Seed, 1 MT/BB

Question 12

Scavengers  & Corrosion Inhibitor

Accepted Answer

STAANTIOX
Sulfite-Based Oxygen Scavenger, 55 gal/drum STAOXSCAV
Bisulfite-Based Oxygen Scavenger, 55 gal/drum STAANTISULF
H2S Scavenger/Powder Zinc Carbonate, 25 kg/sack STASULFOSCAV
H2S Scavenger/Triazine-Based, 55 gal/drum STASAFE
WS Fim Forming Amine-Based Corrosion Inhibitor, 55 gal/drum STASAFE O
OS&WD Film Forming Amine-Based Corrosion Inhibitor, 55 gal/drum STASAFE B
Corrosion Inhibitor for Brine, 55 gal/drum

Question 13

Biocides

Accepted Answer

STACIDE
Aldehide Based Biocide, 19 lt/pail STATRICIDE
Triazine Based Biocide, 19 lt/pail STACIDE A
Amin Based Biocide, 19 lt/pail

Question 14

Alkalinity and Hardness Control Agents

Accepted Answer

CAUSTIC SODA
pH Buffer, 25 kg/sack CAUSTIC POTASH
Potassium Based pH Buffer, 25 kg/sack SODA ASH
Calcium Hardness Control, 25 kg/sack SODIUM BICARBONATE
Calcium Hardness Control, 25 kg/sack CITRIC ACID
Alkalinity and pH Control, 25 kg/sack LIME
Calcium Buffer, 25 kg/sack GYPSUM
Calcium Buffer, 25 kg/sack

Question 15

Salts

Accepted Answer

SODIUM CHLORIDE
Salt, 1 MT/BB POTASSIUM CHLORIDE
Salt, 1 MT/BB CALCIUM CHLORIDE
Salt, 1 MT/BB

Question 16

Oil-Based Mud Additives

Accepted Answer

STA-O PEMUL
Primary Emulsifier DBM, 55 gal/drum STA-O SEMUL
Secondary Emulsifier DBM, 55 gal/drum STA-O PEMUL S
Primary Emulsifier SBM, 55 gal/drum STA-O SEMUL S
Secondary Emulsifier SBM, 55 gal/drum STA-O PEMUL HT
Primary Emulsifier SBM&DBM HT, 55 gal/drum STA-O WET
Oil Wetting Agent, 55 gal/drum STA-O GIL
Premium Grade Gilsonite for OBM, 25 kg/sack STA-O ASP
Liquid Sulfonated Asphalt for OBM, 25 kg/sack STA-O THIN
Thinner for OBM, 55 gal/drum STA-O THIN HTHP
Thinner for OBM for HTHP, 55 gal/drum STA-O MOD
Organic Liquid Gelling Agent for OBM, 55 gal/drum STA-O THIK
Liquid Viscosifier for OBM, 55 gal/drum STA-O THIK ULTRA
High Performance Liquid Viscosifier for OBM, 55 gal/drum STA-O GEL A
Organophilic Clay for SBM, 25 kg/sack STA-O GEL P
Premium Grade Organophilic Clay, 25 kg/sack STA-O SOLV
High Performance Wellbore Cleaner, 55 gal/drum

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