A Biodegradable Chelating Agent is Developed for Stimulation of Oil and Gas Formations

SPE/EPA Exploration and Production Environmental Conference

Volumn , Issue , 2003, Pages 171-185

  Frenier, W W ^a   Rainey, M ^a   Schlumberger, ^a   Wilson, D ^a   Crump, D ^a   Jones, L ^a  

^a NONE

Author keywords

[No Author keywords available]

Indexed keywords

BIODEGRADATION; CHELATION; NATURAL GAS; PRECIPITATION (CHEMICAL); SURFACE ACTIVE AGENTS;

CHELATING AGENT;

CRUDE PETROLEUM;

EID: 0242353117     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (31)

1. Crowe, C.W., "Method of Preventing Precipitation of Ferrous Sulfide and Sulfur During Acidizing," US Patent No. 4633949 (1987).
2. Ewing, B.C., et al., "A Synergistic Chelation System for Acidizing in the Presence of High Iron Concentrations," SPE Paper 11795 (1983).
3. Smith, C. F., et al., "Secondary Deposition of Iron Compounds following Acidizing," J Pet. Tech, pp. 1121-1129 (1969).
4. Dill, W.R. and Knox, J.A., "Acidizing Subterranean Well Formations Containing Deposits of Metal Compounds," US Patent No. 4151098 (1979).
5. Street, Jr., E.H., "Process for Sequestering Iron while Acidizing a Reservoir," US Patent No. 4167214 (1979).
6. Dill, W.R., et al., "Composition and Method of Stimulating Subterranean Formations," US Patent No. 4679631 (1987).
7. Taylor, K.C., et al. "A Systematic Study of Iron Control Chemicals used During Well Stimulation" SPE Paper 39419 (1998).
8. Taylor, K.C., et al., "A Systematic Study of Iron Control Chemicals used During Well Stimulation- Part 2," SPE paper 50772 (1999).
9. Goughler, P.D., "Field Investigation Identifies Source and Magnitude of Iron Problems," SPE paper 13812 (1985).
10. Crowe, C., et al., "Method for Preventing Precipitation of Ferric Compounds During Acid Treatment of Wells," US Patent No. 4574050 (1986).
11. Dill, W.R. and Walker, M.L., "Composition and Method for Controlling Precipitation When Acidizing Sour Wells," US Patent No. 4888121 (1989).
12. Williamson, C.D., "Precipitation Control," US Patent No. 5126059 (1992).
13. Brezinski, M.M., "Chelating Agents in Sour Well Acidizing: Methodology or Mythology," SPE 54721 (1999).
14. Shaughnessy, C.M. and Kline, W.E., "EDTA Removes Formation Damage at Prudhoe Bay," SPE Paper 11188 (1982).
15. Rhudy, J. S., "Removal of Mineral Scale from Reservoir Cores by Scale Dissolver," SPE Paper 25161 (1993)
16. Paul, J.M. and Fieler, E.R. "A New Solvent for Oilfield Scales," SPE Paper 24847 (1992).
17. Morris, R.L. and Paul, J., "Method for Removing Alkaline Sulfate Scale," US Patent No. 4980077 (1990).
18. Paul, J.M. and Morris, R.L. "Composition for Removing an Alkaline Earth Sulfate Scale," US Patent No. 5282995 (1994).
19. Ali, A., et al., "Chelating Agent-Based Fluids for Optimal Stimulation of High-Temperature Wells," SPE 77366, prepared for presentation at the SPE Annual Technical Conference and Exhibition held in San Antonio, Texas, 29 September-2 October 2002.
20. Lauff, J.J. et al., "Degradation of Ferric Chelates of Aminocarboxylic acids by Agrobacterium", Int. Patent Appl., WO 911 5591 (1991).
21. Lauff, J.J., et al., "Degradation of Ferric Chelate of EDTA by a Pure Culture of an Agrobacterium sp," Appl. Environ. Microbiol., 56(11), pp. 3346-53 (1990).
22. Brunch, R.L., and Ettinger, M.B., "Biodegradability of Potential Organic Substitutes for Phosphates," Purdue Univ. Eng. Bull., Extn. Srs, Vol. 129 (Part 1), pp. 393-396 (1967).
23. Henneken, L., et al., J Chem. Technol Biotechnol, Vol 73, pp. 144-152 (1998).
24. Means, J.L. et al., "Relative Degradation Rates of NTA, EDTA and DTPA and Environmental Implications," Environmental Pollution (Series B) 1, pp. 45-60 (1980).
25. Athey, P.S., et al, "Method for Controlling Alkaline Earth and Transition Metal Scaling with 2-Hydroxyethyliminodiacetic Acid," US Patent No. 5972868 (1999).
26. Frenier, W. W, "Well Treatment Fluids Comprising Chelating Agents," US Patent No. 6,436,880 (2002).
27. Frenier, W.W., and Wilson, D.A., "Aqueous Composition and Method of Use," US Patent No. 4430128 (1984).
28. Frenier, W.W., "Improved Solvent for Removing Iron Oxide Deposits," US Patent No. 4623399 (1986).
29. Frenier, W.W., and Wilson, D.A., "Aqueous Acid Composition and Method of Use," US Patent No. 4636327 (1987).
30. Frenier, W.W. "Acidizing Fluids used to Stimulate High Temperature Wells Can be Inhibited with Organic Chemicals," paper SPE 18468 presented at the 1989 SPE Int. Symposium on Oilfield Chemistry, Houston, TX, February 8-10.
31. Martell, A.E. and Smith, R. "Critical Stability Constants," Plenum Publishing Co., N.Y., NY (1974).