H2-rich and Hydrocarbon Gas Recovered in a Deep Precambrian Well in Northeastern Kansas

Newell, K. David; Doveton, John H.; Merriam, Daniel F.; Lollar, Barbara Sherwood; Waggoner, William M.; Magnuson, L. M.

doi:10.1007/s11053-007-9052-7

Cited by 35 publications

(17 citation statements)

References 13 publications

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“…In Kansas, several wells drilled since 1980, including the aforementioned Heins#1 and Scott#1 wells, have shown occurrences of gases rich in H 2 and N 2 , with subsidiary hydrocarbon gases [ Goebel et al ., ; Angino et al ., ; Coveney et al ., ; Newell et al ., ]. Oxygen mentioned in published analyses of gases from these wells ranges from 0.01 to 20.4%.…”

Section: Geological and Geochemical Backgroundmentioning

confidence: 99%

“…Precambrian basement rocks are found below the Paleozoic strata [ Bickford et al ., ]. Precambrian basement rocks in Kansas are primarily silicic igneous and metamorphic rocks and are not considered as potential targets for oil and gas [ Newell et al ., ]. Although many wells penetrate a meter or less of the basement in Kansas, only 17 wells have penetrated in excess of 300 m (1000 ft).…”

Section: Geological and Geochemical Backgroundmentioning

confidence: 99%

“…The deepest well drilled so far in Kansas penetrated arkoses and basalts in the MRS in 1985 to a depth of 11,296 ft (3443 m). This well did not reveal any hydrocarbons [ Newell et al ., ]. Data on wells penetrating the Precambrian are sparse in the central part of MRS and on the Nemaha uplift.…”

Section: Geological and Geochemical Backgroundmentioning

confidence: 99%

“…Data on wells penetrating the Precambrian are sparse in the central part of MRS and on the Nemaha uplift. Whereas the Phanerozoic stratigraphic section is the most complete above the MRS, much of it is not present at the crest of the Nemaha uplift where it is truncated and absent beneath angular unconformities reflecting the structural development of the uplift [ Merriam , ; Newell et al ., ].…”

Section: Geological and Geochemical Backgroundmentioning

confidence: 99%

“…Since the early 1980s, H 2 gas was found in Kansas in wells near the Mid‐Continent Rift System [ Goebel et al ., ; Coveney et al ., ; Johnsgard , ; Angino et al ., ; Newell et al ., ]. From 1982 to 1985, two wells (CFA Oil Scott#1 and CFA Oil Heins#1) yielded small amounts of gas containing 29–37 mole % H 2 , 65–66 mole % N 2 , with only traces of hydrocarbon gases.…”

Section: Introductionmentioning

confidence: 99%

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Natural H₂ in Kansas: Deep or shallow origin?

Guélard

Beaumont

Rouchon

et al. 2017

Geochem Geophys Geosyst

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Key Points: A new well provide the opportunity of a reappraisal of a persistent regional H 2 production in intracontiental settings, in Kansas. Two different origins are suggested for H 2 production in intra-cratonic context: a crustal origin, a surficial origin. Hypotheses of two H 2 are supported by geochemical properties of associated gases, by water associated and completion story of the well.2 AbstractA geochemical study of gas coming from three wells in northeastern Kansas supplements previous studies from the 1980s and points to a persistent regional phenomenon of H 2 production. In 2008, a new well showed, just after drilling, a dry gas phase with more than 80 mole % of H 2 , followed by a water production associated with gas. This gas is mainly composed of N 2 , He, H 2 and occasionally CH 4 , with changing proportions through time. A drastic decrease in H 2 at the well was observed since the aquifer is produced, along with occasional recharges in H 2 evidenced notably in the early phases of gas sampling. We demonstrate that this evolution of gas composition is closely associated to the well completion story. Accordingly, two distinct origins of H 2 are proposed: (1) water reduction associated to iron oxidation in the Precambrian basement (deep crustal H 2 ); (2) reactions occurring in the tubing, primarily attributed to a high Fe 2+ content and organic carbon (DOC=4.1 mg.L -1 ) dissolved in the water. The low δD values averaging -760 ‰ are attributed to low temperature processes, in agreement with both the hypothesis. Furthermore, the suggested origins are supported by the observed gas associations: (a) deep crustal H 2 with radiogenic gases ( 4 He and 40 Ar) and metamorphic N 2 ( 15 N averaging +2.5‰); (b) surficial H 2 with methane produced in the sedimentary aquifer and the tubing by methanogenic organisms.

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Section: Geological and Geochemical Backgroundmentioning

confidence: 99%

Section: Geological and Geochemical Backgroundmentioning

confidence: 99%

Section: Geological and Geochemical Backgroundmentioning

confidence: 99%

Section: Geological and Geochemical Backgroundmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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