(12) United States Patent (10) Patent N0.2 US 8,673,825 B2 Rayborn, Sr
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US008673825B2 (12) United States Patent (10) Patent N0.2 US 8,673,825 B2 Rayborn, Sr. et a]. (45) Date of Patent: *Mar. 18, 2014 (54) DRILLING FLUID ADDITIVE WITH LOW (58) Field of Classi?cation Search FREEZING POINT None See application ?le for complete search history. (75) Inventors: Jerry Rayborn, Sr., Franklinton, LA (US); Dan M. DeLaRosa, Coral Springs, (56) References Cited FL (Us) US. PATENT DOCUMENTS (73) Assignee: Mudmasters Group, LLC, NeW 2,771,138 A “H956 Beeson Or1eanS,LA (Us) 3,960,832 A 6/1976 Kang 3,979,303 A 9/1976 Kang ( * ) Notice: Subject to any disclaimer, the term of this 4,186,025 A 1/1980 Kang patent is extended or adjusted under 35 2 1?; 80X , , 9X USC' 1540’) by 0 days' 4,375,512 A 3/1983 Rickman This patent is subject to a terminal dis- 4,393,089 A 7/1983 COX laimer 4,456,714 A 6/1984 COX C ' 4,464,410 A 8/1984 COX 4,468,334 A 8/1984 COX (21) Appl.No.: 13/507,065 4,483,782 A 11/1984 Cox 4,483,848 A 11/1984 COX (22) Filed: Jun. 1, 2012 4,506,044 A 3/1985 CoX 5,106,517 A * 4/1992 Sheu et a1. .................. .. 507/110 . 5,110,484 A 5/1992 Shou (65) Prior Publication Data 5,330,005 A 7/l994 Card Us 2012/0289435 A1 Nov. 15,2012 5439055 A 8/1995 Card 5,501,275 A 3/1996 Card _ _ 5,882,713 A 3/1999 Eskins Related US. Application Data 6,123,159 A 9/2000 Brookey (63) Contmuatlon-m-part. of appl1cat1on. No. 13/134,048, 6,172,0116,129,857 B1A 10/2000V2001 CardSapienza ?ledonMay 27, 2011,noW Pat. No.8,216,981,Wh1ch 6,253,755 B1 7/2001 House is a continuation-in-part of application No. 6,271,001 B1 8/2001 Clarke 12/802,702, ?led on Jun. 14, 2010, noW Pat. No. 6,291,404 B2 9/2001 House 7,972,995, Which is a continuation-in-part of (Continued) application No. 12/459,480, ?led on Jul. 2, 2009, noW Primary Examiner * John J Figueroa Pat. No. 7,763,570, Which is a continuation-in-part of (74) Attorney, Agent, or Firm * Dan De La Rosa application No. 12/387,182, ?led on Apr. 30, 2009, noW Pat. No. 7,745,378. (57) ABSTRACT (51) Int Cl A drilling ?uid additive, is provided, and the additive com CObK /08 (2006 01) prises: syrup solids and a liquid medium; and the sugar con (52) U 5 Cl ' tent of the additive is directly proportionate to the freezing USPC ........... .. 507/111; 507/110; 507/125; 127/29; Pom Ofthe addmve' 127/30; 127/32 30 Claims, 4 Drawing Sheets 120 KEY '—--° = '8 WATER 100 '--—' ='Sl0% --———~ = ‘s 30% 80 9-~---9 = ’S 50% % M = ‘s 70% g ~—~—~ = ’S 90% 1C3 60 1 = ‘S SEIZURE INCH POUNDS US 8,673,825 B2 Page 2 (56) References Cited 7,270,768 B2 9/2007 Sapienza 2002/0009530 A1 * 1/2002 DuBois et a1. .............. .. 426/567 U_S_ PATENT DQCUMENTS 2004/0099446 A1 5/2004 Schlemmer 2005/0133180 A1 6/2005 West 6,358,889 B2 3/2002 waggenspack 2005/0247907 A1 11/2005 Sapienza 6,422,326 B1 7/2002 Brookey 2006/0205604 A1 9/2006 Schlemmer 6,458,343 B1 10/2002 Zeman 2008/0268126 A1* 10/2008 Opawumi et a1. ........... .. 426/567 6,506,318 B1 1/2003 SapienZa 2009/0123617 A1* 5/2009 Dunham ..................... .. 426/312 6,686,330 B2 2/2004 Jordan 2010/0292107 A1* 11/2010 Rayborn et a1. 507/111 6,890,451 B2 5/2005 SaPieIlZa 2011/0086783 A1* 4/2011 Rayborn et a1. ............ .. 507/110 7,063,176 B2 6/2006 Schlemmer 7,207,387 B2 4/2007 Eoff * cited by examiner U S. Patent Mar. 18, 2014 Sheet 1 of4 US 8,673,825 B2 M FIG,1 H, ex US. Patent Mar. 18, 2014 Sheet 2 of4 US 8,673,825 B2 | SWELLEDHEIGHTFRGM0-2INCHES HUI-‘Fin 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% PERCENTAGE OF ADDITIVE IN H20 HAVING A PH OF 9.5 FIG. 2 US. Patent Mar. 18, 2014 Sheet 3 of4 US 8,673,825 B2 KEY TORGUE 60 i = ‘s SEIZURE ’* INCH POUNDS FIG. 3 US. Patent Mar. 18, 2014 Sheet 4 of4 US 8,673,825 B2 H 16.0 ppg WATER BASE MUD + 30% ADDITIVE H 16.0 ppg OIL BASE MUD o 100 150 200 300 400 500 600 FIG. 4 US 8,673,825 B2 1 2 DRILLING FLUID ADDITIVE WITH LOW 80% by volume of total volume of the additive and a liquid FREEZING POINT medium in the amount from about 20 to about 70% by volume of total volume of the additive. RELATED APPLICATION In another embodiment, the liquid medium is selected from a group consisting of Water, puri?ed Water, ionized Water, salt This application is a continuation-in-part of US. applica Water and mixtures thereof. In yet another embodiment, the tion Ser. No. 13/134,048 ?led on May 27, 2011 now US. Pat. additive improves the lubrication and reduces the coef?cient No. 8,216,981 entitled “Drilling Fluid Additive System”, of friction on the Water phase of the drilling ?uid. Which is continuation-in-part of US. application Ser. No. In still another embodiment, the liquid medium is an aque 12/802,702 ?led on Jun. 14, 2010 now US. Pat. No. 7,972, ous liquor. For purposes of this invention, the term “aqueous 995, entitled “Drilling Fluid Additives Containing Heated liquor” is de?ned as any liquid medium or juice. Syrup Solids”, Which is a continuation-in-part of US. appli In still yet another embodiment, the corn syrup solids or cation Ser. No. 12/459,480 ?led on Jul. 2, 2009 entitled syrup solids are in the amount from about 70 to about 80% by “Drilling Fluid Additives Containing Syrups” Which issued volume of the total volume of the additive. In a further on Jul. 27, 2010 as US. Pat. No. 7,763,570, and Which is a embodiment, the liquid medium is in the amount from about continuation-in-part of US. application Ser. No. 12/387,182 20 to about 30% by volume of the total volume of the additive. ?led on Apr. 30, 2009 entitled “Drilling Fluid Additives Con In yet a further embodiment, the density of the additive is taining Corn Syrup Solids” Which issued on Jun. 29, 2010 as from about 8 to about 12 pounds per gallon and more speci? US. Pat. No. 7,745,378. cally 9 to about 11.8 pounds per gallon. In still a further 20 embodiment, the additive suppresses and restricts hydration BACKGROUND OF THE INVENTION of clays and shales When deposed into a Wellbore. In another further embodiment, the additive is dextrose 1. Field of the Invention syrup. In still yet a further embodiment, the syrup solids can The present invention relates to a drilling ?uid additive and be derived from all different types of sugars and carbohy more speci?cally, a continuous liquid phase of drilling ?uids 25 drates. Sugars include sucrose, dextrose and fructose. The system comprising hydrolyzed syrup and heated syrup solids. carbohydrates utilized in the present invention may be 2. Description of the Related Art derived from sugar cane, sugar beet, fruit, honey sorghum and There are various drilling applications and additives in the sugar maple (Maple syrup). art that combine carbohydrates With a plurality of different In another embodiment, the corn syrup solids or syrup ingredients. These formulations have provided for moderate 30 solids are hydrolyzed prior to being combined With a liquid results. medium. In still another embodiment, the additive is com There are also various ingredients combined to provide for bined With copolymer beads. In yet another embodiment, the a continuous liquid phase of a drilling ?uid. In the past, Water, copolymer beads are comprised of styrene and divinylben diesel oil, synthetic oils and combinations of oils and emul zene (DVB). sions have beenused as the continuous liquidphase of drilling 35 In still yet another embodiment, the present invention ?uids With inef?cient to moderate results. relates to a continuous liquid phase solution for a drilling A drilling ?uid With Water as the continuous liquid phase ?uid, said solution consists essentially of: corn syrup or has many economical advantages. Water is plentiful, non syrup, corn syrup solids or syrup solids and a liquid medium. polluting and environmentally friendly When properly main In a further embodiment, the corn syrup or syrup is from tained. It is very important that the additives mixed With the 40 about 10 to about 90% by volume of total volume of the Water are also non-polluting and environmentally friendly. solution, the corn syrup solids or syrup solids is from about 10 Fluid loss additives, lubricants, dispersants, shale and forma to about 80% by volume of total volume of the solution, and tion inhibitors should also be non-polluting and environmen the liquid medium is from about 20 to about 90% by volume tally friendly. A ?uid that has higher concentrations of these of total volume of the solution. additives typically has higher toxicity and subsequently has a 45 In still a further embodiment, the present invention relates loWer LC50 number. to a drilling ?uid additive consisting of hydrolyzed glucose Using diesel oil as a continuous liquid phase of a drilling syrup solids or syrup solids in the amount from about 30 to ?uid is economical, but environmentally hazardous.