{"id":"https://openalex.org/W2000056544","doi":"https://doi.org/10.2118/37679-ms","title":"New Applications for Underbalanced Drilling Equipment","display_name":"New Applications for Underbalanced Drilling Equipment","publication_year":1997,"publication_date":"1997-03-01","ids":{"openalex":"https://openalex.org/W2000056544","doi":"https://doi.org/10.2118/37679-ms","mag":"2000056544"},"language":"en","primary_location":{"id":"doi:10.2118/37679-ms","doi":"https://doi.org/10.2118/37679-ms","is_oa":false,"landing_page_url":"https://doi.org/10.2118/37679-ms","pdf_url":null,"source":{"id":"https://openalex.org/S4363604106","display_name":"All Days","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"All Days","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111797008","display_name":"C. Stone","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Charles R. Rick Stone","raw_affiliation_strings":["Signa Engineering Corp"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signa Engineering Corp","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069308671","display_name":"L. A. Cress","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Larry A. Cress","raw_affiliation_strings":["Signa Engineering Corp"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signa Engineering Corp","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7166,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.53858785,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10892","display_name":"Drilling and Well Engineering","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10892","display_name":"Drilling and Well Engineering","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10399","display_name":"Hydrocarbon exploration and reservoir analysis","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13925","display_name":"Offshore Engineering and Technologies","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/underbalanced-drilling","display_name":"underbalanced drilling","score":0.996999979019165},{"id":"https://openalex.org/keywords/well-control","display_name":"well control","score":0.7590000033378601},{"id":"https://openalex.org/keywords/horizontal-wells","display_name":"horizontal wells","score":0.5070000290870667},{"id":"https://openalex.org/keywords/vertical-wellbore","display_name":"vertical wellbore","score":0.6489999890327454},{"id":"https://openalex.org/keywords/well-re-entry","display_name":"well re-entry","score":0.6050000190734863},{"id":"https://openalex.org/keywords/sidetracking","display_name":"sidetracking","score":0.8399999737739563},{"id":"https://openalex.org/keywords/tight-gas-reservoirs","display_name":"tight gas reservoirs","score":0.7200000286102295},{"id":"https://openalex.org/keywords/lost-circulation-zones","display_name":"lost circulation zones","score":0.8450000286102295},{"id":"https://openalex.org/keywords/austin-chalk","display_name":"Austin Chalk","score":0.6880000233650208},{"id":"https://openalex.org/keywords/fractured-carbonates","display_name":"fractured carbonates","score":0.8019999861717224},{"id":"https://openalex.org/keywords/well-completion","display_name":"well completion","score":0.3610000014305115},{"id":"https://openalex.org/keywords/surface-equipment","display_name":"surface equipment","score":0.3869999945163727},{"id":"https://openalex.org/keywords/casing-setting","display_name":"casing setting","score":0.3840000033378601},{"id":"https://openalex.org/keywords/south-texas","display_name":"South Texas","score":0.328000009059906},{"id":"https://openalex.org/keywords/south-louisiana","display_name":"South Louisiana","score":0.8489999771118164},{"id":"https://openalex.org/keywords/east-texas","display_name":"East Texas","score":0.8560000061988831},{"id":"https://openalex.org/keywords/mexico","display_name":"Mexico","score":0.8190000057220459}],"concepts":[{"id":"https://openalex.org/C141813653","wikidata":"https://www.wikidata.org/wiki/Q7883440","display_name":"Underbalanced drilling","level":4,"score":0.8108745813369751},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.567052960395813},{"id":"https://openalex.org/C25197100","wikidata":"https://www.wikidata.org/wiki/Q890886","display_name":"Drilling","level":2,"score":0.505948007106781},{"id":"https://openalex.org/C78762247","wikidata":"https://www.wikidata.org/wiki/Q1273174","display_name":"Petroleum engineering","level":1,"score":0.3633291721343994},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.273806631565094},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22057583928108215},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.08475536108016968},{"id":"https://openalex.org/C152068911","wikidata":"https://www.wikidata.org/wiki/Q890914","display_name":"Drilling fluid","level":3,"score":0.07251855731010437}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2118/37679-ms","doi":"https://doi.org/10.2118/37679-ms","is_oa":false,"landing_page_url":"https://doi.org/10.2118/37679-ms","pdf_url":null,"source":{"id":"https://openalex.org/S4363604106","display_name":"All Days","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"All Days","raw_type":"proceedings-article"},{"id":"doi:10.2523/37679-ms","doi":"https://doi.org/10.2523/37679-ms","is_oa":false,"landing_page_url":"https://doi.org/10.2523/37679-ms","pdf_url":null,"source":{"id":"https://openalex.org/S4363608749","display_name":"SPE/IADC Drilling Conference","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of SPE/IADC Drilling Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W50417550","https://openalex.org/W1569090514","https://openalex.org/W2066579573","https://openalex.org/W1605203967","https://openalex.org/W2408031557","https://openalex.org/W2320639829","https://openalex.org/W2273240174","https://openalex.org/W1971020238","https://openalex.org/W2934741318","https://openalex.org/W2088252488"],"abstract_inverted_index":{"Abstract":[0],"In":[1,185],"1987,":[2],"horizontal":[3,115,402],"operators":[4,231],"in":[5,108,135,145,166,180,207,252,261,296,324,351],"the":[6,34,50,58,61,74,96,112,132,141,170,181,187,195,200,222,225,240,265,297,339,382,397,411,438,443,447,452,457,475,496,522,530,537,542,555],"fractured":[7,31],"Austin":[8,171],"Chalk":[9,172],"of":[10,36,45,98,114,169,224,229,250,267,369,374,414,433,437,451,521,539,563],"South":[11,262],"Texas":[12,146,183],"realized":[13],"that":[14,270,293,308,333,365,400,446],"conventional":[15],"drilling":[16,47,99,156,176,191,205,392,395,476],"techniques":[17,117,143,177,357],"were":[18,178,192,294,387,396],"not":[19,388,455],"economical.":[20,389],"The":[21,43,124,151,256,281,319,346,478,503,550],"need":[22],"for":[23,69,154,236,554],"a":[24,268,361,370,431],"nondamaging":[25],"technique":[26],"to":[27,52,63,94,120,139,149,158,160,213,273,286,342,358,378,417,459,470,525,535,541],"drill":[28,274,359,523,533],"and":[29,39,49,83,91,118,162,288,303,316,393,420,425,440,449,472,480,488,508],"complete":[30],"carbonates":[32],"spawned":[33],"creation":[35],"Flowdrilling":[37],"(FD)":[38],"Underbalanced":[40,204],"Drilling":[41],"(UBD).":[42],"use":[44,228],"clear":[46],"fluids":[48,415,441,540],"philosophy":[51],"address":[53],"well":[54,254,269,304],"control":[55,305,464,483,545],"problems":[56,302,306],"at":[57,278,338,442],"surface":[59,67,75,136,209,314,340,412,444],"pushed":[60],"industry":[62],"develop":[64],"new,":[65],"specialized":[66],"equipment":[68,119,137,315,453,465,484],"UBD":[70,88,116,242,313,356],"drilling.":[71,203,461],"By":[72],"1992,":[73],"Rotating":[76,127,406],"Blowout":[77,128,407],"Preventer":[78,129,408],"(RBOP)":[79],"had":[80,212,384],"been":[81],"developed":[82,144,179],"successfully":[84],"field":[85],"tested.":[86],"As":[87],"became":[89],"popular,":[90],"engineers":[92],"began":[93,232],"understand":[95,471],"versatility":[97],"underbalanced,":[100],"new":[101],"applications":[102],"surfaced.":[103],"Three":[104],"different":[105,248,300],"case":[106,258,321,348],"studies":[107],"this":[109,234],"paper":[110],"demonstrate":[111],"success":[113],"vertical":[121,253],"wellbores.":[122],"Introduction":[123],"hydraulically":[125],"actuated":[126],"has":[130,244],"provided":[131],"missing":[133],"link":[134],"necessary":[138],"expand":[140,159],"flowdrilling":[142],"from":[147],"1987":[148],"1992.":[150],"natural":[152],"progression":[153],"flow":[155],"was":[157,260,271,323,350,366],"deeper":[161],"higher":[163,208,371],"pressured":[164,372],"reservoirs":[165,238],"other":[167,237],"areas":[168],"formation.":[173],"True":[174],"underbalanced":[175,202,394],"Giddings.":[182],"area.":[184],"Giddings,":[186],"mudweights":[188],"used":[189],"while":[190,527],"less":[193],"than":[194],"reservoir":[196],"pore":[197],"pressure,":[198],"hence":[199],"term":[201],"resulted":[206],"pressures":[210],"which":[211],"be":[214,310,418,428,468,490],"contained":[215,429],"by":[216,474,495],"additional":[217,343],"blowout":[218],"prevention":[219],"equipment.":[220],"With":[221],"expansion":[223],"domestic":[226],"market":[227],"UBD,":[230],"considering":[233],"technology":[235,243,403],"throughout":[239],"world.":[241],"recently":[245],"included":[246],"three":[247,284],"types":[249],"utilization":[251],"bores.":[255],"first":[257],"study":[259,322,349],"Louisiana":[263],"on":[264,367],"re-entry":[266],"scheduled":[272],"through":[275,360,381],"depleted":[276],"sands":[277],"16,300":[279],"feet.":[280],"operator":[282],"made":[283,401],"attempts":[285,377],"re-enter":[287],"sidetrack":[289],"around":[290,529],"several":[291],"fish":[292],"left":[295],"hole.":[298],"Several":[299],"hole":[301],"existed":[307],"could":[309],"solved":[311],"with":[312,560],"lower":[317],"mudweights.":[318],"second":[320],"East":[325],"Texas.":[326],"This":[327,353],"application":[328],"involved":[329],"tight":[330],"gas":[331,424,439],"formations":[332],"would":[334,409],"give":[335],"false":[336],"readings":[337],"as":[341],"mudweight":[344],"requirements.":[345],"third":[347],"Mexico.":[352],"wellbore":[354],"utilized":[355,466],"lost":[362],"circulation":[363],"zone":[364,373,383],"top":[368],"interest.":[375],"Previous":[376],"set":[379],"casing":[380],"failed":[385],"or":[386,492,532],"History":[390],"Flow":[391],"final":[398],"components":[399],"flourish.":[404],"A":[405,512],"allow":[410],"containment":[413],"produced":[416],"safely":[419],"effectively":[421],"processed.":[422],"Both":[423],"liquids":[426],"must":[427,467],"under":[430],"variety":[432],"conditions.":[434],"Effective":[435],"processing":[436],"ensures":[445],"operation":[448],"flexibility":[450],"does":[454],"limit":[456],"ability":[458],"continue":[460],"All":[462],"pressure":[463],"easy":[469],"operate":[473],"crew.":[477,566],"RBOP":[479,504,544,556],"its":[481],"associated":[482],"is":[485,557],"user":[486],"friendly":[487],"can":[489],"automated":[491],"manually":[493],"controlled":[494],"driller.":[497],"See":[498],"attached":[499],"\"RBOP":[500],"Equipment\"":[501],"Drawing.":[502],"uses":[505],"an":[506],"inner":[507],"outer":[509],"packer":[510,517],"element.":[511],"secondary":[513],"expendable":[514],"quick":[515],"change":[516],"(QCP)":[518],"allows":[519],"rotation":[520],"string":[524],"occur":[526],"sealing":[528],"kelly":[531],"pipe":[534],"prevent":[536],"escape":[538],"surface.":[543],"panels":[546],"are":[547],"self-contained":[548],"units.":[549],"typical":[551],"installation":[552],"time":[553],"four":[558],"hours":[559],"one":[561],"hour":[562],"training":[564],"per":[565],"P.":[567],"909^":[568]},"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}