Paul Farrimond

Director and Geochemical Consultancy Manager

  • Manages activities of the geochemical consultancy in IGI’s Bideford offices, and most of the individual projects undertaken
  • Delivers specialist petroleum geochemistry training courses
  • Highly experienced molecular petroleum geochemist, with particular expertise in biomarker geochemistry applied to oil and source rock characterisation and correlations


  • Ph.D. in Organic Geochemistry, University of Bristol, 1987
  • B.Sc. in Chemistry & Geology, University of Bristol, 1983

Selected Publications:

Farrimond P., Green A. & Williams L. (2015). Petroleum geochemistry of the Sea Lion Field, North Falkland Basin. Petroleum Geoscience21, 125-135.

Farrimond P., Naidu B.S., Burley S.D., Dolson J., Whiteley N. & Kothari V. (2015). Geochemical characterization of oils and their source rocks in the Barmer Basin, Rajasthan, India. Petroleum Geoscience21, 301-321.

Dolson J., Burley S.D., Sunder V.R., Kothari V., Naidu B., Whiteley N.P., Farrimond P., Taylor A., Direen N. & Ananthakrishnan B. (2015). The discovery of the Barmer Basin, Rajasthan, India and its petroleum geology. Am. Assoc. Petrol. Geol. Bull. 99, 433-465.

Ross A.S., Farrimond P., Erdmann M. & Larter S.R. (2010). Geochemical compositional gradients in a mixed oil reservoir indicative of ongoing biodegradation.  Org. Geochem.41, 307-320.

Schroeder M., Cornford D., Farrimond P. & Cornford C. (2008).  Addressing missing data in geochemistry: A non-linear approach.  Org. Geochem.39, 1162-1169.

Bennett B., Aitken C.M., Jones D.M., Farrimond P. & Larter S.R. (2007).  The occurrence and significance of 25-norhopanoic acids in petroleum reservoirs.  Org. Geochem.38, 1977-1985.

Bennett B., Fustic M., Farrimond P., Huang H. & Larter S.R. (2006). 25-Norhopanes: Formation during biodegradation of petroleum in the subsurface.  Org. Geochem.37, 787-797.

Bowden S.A., Farrimond P., Snape C.E. & Love G.D. (2006). Compositional differences in biomarker constituents of the hydrocarbon, resin, asphaltene and kerogen fractions: An example from the Jet Rock (Yorkshire, UK). Org. Geochem.37, 369-383.

Farrimond P., Talbot H.M., Watson D.F., Schulz L.K. and Wilhelms A. (2004).  Methylhopanoids: Molecular indicators of ancient bacteria and a petroleum correlation tool.  Geochim. Cosmochim. Acta 68, 3873-3882.

Tsikos H., Karakitsios V., van Breugel Y., Walsworth-Bell B., Bombardiere L., Petrizzo M.R., Sinninghe Damsté J.S., Schouten S., Erba E., Premoli Silva I., Farrimond P., Tyson R.V. and Jenkyns H.C. (2004).  Organic-carbon deposition in the Cretaceous of the IonianBasin, NW Greece: The Paquier Event (OAE 1b) revisited.  Geol. Mag.141, 401-416.

Farrimond P., Love G.D., Bishop A.N., Innes H.E., Watson D.F. and Snape C.E. (2003).  Evidence for the rapid incorporation of hopanoids into kerogen.  Geochim. Cosmochim. Acta.67, 1383-1394.

Farrimond P., Griffiths T. and Evdokiadis E. (2002).  Hopanoic acids in Mesozoic sedimentary rocks: their origin and relationship with hopanes.  Org. Geochem.33, 965-977.

Wilhelms A., Larter S.R., Head I., Farrimond P., di Primio R and Zwach C. (2001).  Biodegradation of oil in uplifted basins prevented by deep-burial sterilization.  Nature411, 1034-1037.

Watson D.F., Hindle A.D. and Farrimond P. (2000).  Organic geochemistry of petroleum seepages within the Jurassic Bencliff Grit, Osmington Mills, Dorset, UK.  Petroleum Geoscience6, 289-297.

Hesselbo S.P., Gröcke D.R., Jenkyns H.C., Bjerrum C.J., Farrimond P., Morgans Bell H.S. and Green O.R.  (2000).  Massive dissociation of gas hydrate during a Jurassic oceanic anoxic event.  Nature406, 392-395.

Farrimond P., Bevan J.C. and Bishop A.N. (1999).  Tricyclic terpane maturity parameters: response to heating by an igneous intrusion.  Org. Geochem.30, 1011-1019.

Farrimond P., Taylor A. and Telnæs N. (1998).  Biomarker maturity parameters: the role of generation and thermal degradation.  Org. Geochem.29, 1181-1197.

Bishop A.N., Love G.D., McAulay A.D., Snape C.E. and Farrimond P. (1998).  Release of kerogen-bound hopanoids by hydropyrolysis.  Org. Geochem.29, 989-1001.

Menegatti A.P., Weissert H., Brown R.S., Tyson R.V., Farrimond P., Strasser A. and Caron M. (1998).  High resolution d13C-stratigraphy through the early Aptian “Livello Selli” of the Alpine Tethys.  Palaeoceanography13, 530-545

Bigge A. and Farrimond P. (1998).  Biodegradation of seep oils in the WessexBasin - a complication for correlation.  In: Underhill J.R. (ed.) "Development, Evolution and Petroleum Geology of the WessexBasin". Geol. Soc. Spec. Publ. 133, 373-386.

Parfitt M. and Farrimond P. (1998).  The MupeBay oil seep: A detailed organic geochemical study of a controversial outcrop.  In: Underhill J.R. (ed.) "Development, Evolution and Petroleum Geology of the WessexBasin". Geol. Soc. Spec. Publ. 133, 387-397.

Stalker L., Larter S.R. and Farrimond P. (1998).  Biomarker binding into kerogens: evidence from hydrous pyrolysis using heavy water (D2O). Org. Geochem.28, 239-253.

Innes H., Bishop A.N., Head I.M. and Farrimond P. (1997).  Preservation and diagenesis of hopanoids in Recent lacustrine sediments of Priest Pot, England.  Org. Geochem.26, 565-576.

Farrimond P. and Telnaes N. (1996).  Three series of rearranged hopanes in Toarcian sediments (northern Italy).  Org. Geochem.25, 165-177.

Farrimond P., Bevan J.C. and Bishop A.N. (1996).  Hopanoid hydrocarbon maturation by an igneous intrusion.  Org. Geochem.25, 149-164.

Perez J.V., Farrimond P. and Furrer M. (1996).  Global and local controls influencing the deposition of the La Luna Formation (Cenomanian-Campanian), western Venezuela.  Chem.Geol.130, 271-288.

Bishop A.N. and Farrimond P. (1995).  A new method of comparing extended hopane distributions.  Org. Geochem. 23, 987-990.

Collins M.J., Bishop A.N. and Farrimond P. (1995).  Sorption by mineral surfaces: Rebirth of the classical condensation pathway for kerogen formation?  Geochim. Cosmochim. Acta  59, 2387-2391.

Head I.M., Farrimond P. and Larter S.R. (1995).  Organic carbon in sediments.  Nature373, 293.

Stalker L., Farrimond P. and Larter S.R. (1994).  Water as an oxygen source for the production of oxygenated compounds (including CO2 precursors) during kerogen maturation.  Advances in Organic Geochemistry 1993.  Org. Geochem.22, 477-486.

Farrimond P., Stoddart D.P. and Jenkyns H.C. (1994).  An organic geochemical profile of the Toarcian Anoxic Event in Northern Italy.  Chem. Geol.111, 17-33.

Telnaes N., Isaksen G.H. and Farrimond P. (1992). Unusual triterpane distributions in lacustrine oils. Org. Geochem. 18, 785-789.

Farrimond P., Eglinton G., Brassell S.C. and Jenkyns H.C. (1990). Cenomanian/Turonian anoxic event in Europe: an organic geochemical study. Marine and Petroleum Geology7, 75-89.

Farrimond P., Eglinton G., Brassell S.C. and Jenkyns H.C. (1989). Toarcian anoxic event in Europe: an organic geochemical study. Marine and Petroleum Geology6, 136-147.

Farrimond P., Eglinton G., Brassell S.C. and Jenkyns H.C. (1988). The Toarcian black shale event in northern Italy. Org. Geochem.13, 823-832.

Farrimond P., Eglinton G. and Brassell S.C. (1986). Alkenones in Cretaceous black shales, Blake-BahamaBasin, western North Atlantic. Org. Geochem.10, 897-903.

Peakman T.M., Farrimond P., Brassell S.C. and Maxwell J.R. (1986). De-A-steroids in immature marine shales. Org. Geochem.10, 779-789.

Macquaker J.H.S., Farrimond P. and Brassell S.C. (1986). Biological markers in the Rhaetian black shales of South West Britain. Org. Geochem., 10 93-100.

Farrimond P., Comet P., Eglinton G., Evershed R.P., Hall M.A., Park D.W. and Wardroper A.M.K. (1984). Organic geochemical study of the Upper Kimmeridge Clay of the Dorset type area. Marine and Petroleum Geology1, 340-354.