{"cik":"0001455741","entityType":"operating","sic":"1382","sicDescription":"Oil & Gas Field Exploration Services","ownerOrg":"01 Energy & Transportation","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"RIDGEWOOD ENERGY X FUND, LLC","tickers":[],"exchanges":[],"ein":"260870318","lei":null,"description":"","website":"","investorWebsite":"","category":"Non-accelerated filer<br>Smaller reporting company","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"1254 ENCLAVE PARKWAY","street2":null,"city":"HOUSTON","stateOrCountry":"TX","zipCode":"77077","stateOrCountryDescription":"TX","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"1254 ENCLAVE PARKWAY","street2":null,"city":"HOUSTON","stateOrCountry":"TX","zipCode":"77077","stateOrCountryDescription":"TX","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"201-447-9000","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001214659-26-009718","0001214659-26-005577","0001214659-26-002560","0001214659-25-015886","0001214659-25-011653","0001214659-25-006945","0001214659-25-003522","0001214659-24-018311","0001214659-24-013782","0001214659-24-008278","0001214659-24-003508","0001214659-23-014596","0001214659-23-010775","0001214659-23-006639","0001214659-23-003138","0001214659-22-013234","0001214659-22-009720","0001214659-22-006548","0001214659-22-003345","0001214659-21-011275","0001214659-21-008269","0001214659-21-005123","0001214659-21-002595","0001214659-20-009249","0001214659-20-006910","0001214659-20-004473","0001214659-20-002133","0001214659-19-006899","0001214659-19-005020","0001214659-19-003367","0001214659-19-001687","0001214659-18-006999","0001214659-18-005369","0001214659-18-003596","0001214659-18-002007","0001214659-17-006465","0001214659-17-004890","0001214659-17-003188","0001214659-17-001569","0001214659-16-014474","0001214659-16-013072","0001214659-16-011407","0001214659-16-009906","0001214659-15-007318","0001214659-15-005607","0001214659-15-003438","0001214659-15-001710","0001214659-14-007153","0001214659-14-005460","0001214659-14-003182","0001214659-14-001692","0001214659-13-005968","0001214659-13-004274","0001214659-13-003089","0001214659-13-002458","0001214659-13-001183","0001214659-12-004856","0001214659-12-003333","0001214659-12-001969","0001214659-12-000952","0001214659-11-003678","0001214659-11-002415","0001214659-11-001520","0001214659-11-001275","0001214659-11-000959","0000000000-11-016268","0001214659-11-000748","0001214659-11-000692","0000000000-11-009384","0001214659-11-000253","0001214659-11-000128","0000000000-11-001143","0001214659-10-003431","0001214659-10-003326","0001214659-10-003274","0001214659-10-002792","0001214659-10-002265","0001214659-10-001952","0001214659-10-001482","0001214659-10-001350","0001214659-10-001191","0001214659-10-000764","0001214659-10-000765","0001214659-10-000522","0001214659-09-002476","0001214659-09-001741","0001214659-09-001655","0000000000-09-034263","0001214659-09-001530","0000000000-09-027908","0001214659-09-001355","0001214659-09-001347","0001214659-09-000897","0001214659-09-000895","0001214659-09-000890","0001214659-09-000885","0001214659-09-000798","0000000000-09-016234","0001214659-09-000452"],"filingDate":["2026-08-06","2026-05-05","2026-02-26","2025-11-04","2025-08-07","2025-05-05","2025-02-26","2024-11-04","2024-08-05","2024-05-03","2024-02-26","2023-11-06","2023-08-04","2023-05-08","2023-02-27","2022-11-07","2022-08-08","2022-05-10","2022-02-28","2021-11-08","2021-08-09","2021-05-10","2021-03-02","2020-11-09","2020-08-10","2020-05-13","2020-03-03","2019-11-05","2019-08-06","2019-05-10","2019-03-01","2018-11-09","2018-08-10","2018-05-11","2018-03-09","2017-11-07","2017-08-08","2017-05-10","2017-03-02","2016-11-08","2016-08-09","2016-05-10","2016-02-29","2015-10-29","2015-07-28","2015-04-30","2015-02-26","2014-10-23","2014-07-31","2014-05-01","2014-03-04","2013-10-29","2013-08-01","2013-05-29","2013-05-02","2013-03-05","2012-11-05","2012-08-02","2012-05-02","2012-03-01","2011-11-01","2011-07-28","2011-05-03","2011-04-15","2011-03-22","2011-03-16","2011-03-04","2011-03-01","2011-02-11","2011-01-25","2011-01-11","2011-01-06","2010-12-28","2010-12-17","2010-12-10","2010-10-29","2010-08-23","2010-07-26","2010-05-20","2010-05-10","2010-04-27","2010-03-19","2010-03-19","2010-02-24","2009-10-27","2009-07-24","2009-07-08","2009-06-29","2009-06-18","2009-05-26","2009-05-22","2009-05-22","2009-04-13","2009-04-13","2009-04-13","2009-04-13","2009-04-02","2009-03-30","2009-03-05"],"reportDate":["2026-06-30","2026-03-31","2025-12-31","2025-09-30","2025-06-30","2025-03-31","2024-12-31","2024-09-30","2024-06-30","2024-03-31","2023-12-31","2023-09-30","2023-06-30","2023-03-31","2022-12-31","2022-09-30","2022-06-30","2022-03-31","2021-12-31","2021-09-30","2021-06-30","2021-03-31","2020-12-31","2020-09-30","2020-06-30","2020-03-31","2019-12-31","2019-09-30","2019-06-30","2019-03-31","2018-12-31","2018-09-30","2018-06-30","2018-03-31","2017-12-31","2017-09-30","2017-06-30","2017-03-31","2016-12-31","2016-09-30","2016-06-30","2016-03-31","2015-12-31","2015-09-30","2015-06-30","2015-03-31","2014-12-31","2014-09-30","2014-06-30","2014-03-31","2013-12-31","2013-09-30","2013-06-30","2013-05-22","2013-03-31","2012-12-31","2012-09-30","2012-06-30","2012-03-31","2011-12-31","2011-09-30","2011-06-30","2011-03-31","2011-04-12","2011-04-12","","2010-12-31","","","","","","2010-12-21","2009-04-13","2010-12-10","2010-09-30","2009-12-31","2010-06-30","2010-05-17","2010-05-05","2010-03-31","2010-03-19","","2009-12-31","2009-09-30","2009-06-30","2009-06-22","","2009-06-15","","","2009-03-31","2009-04-13","2009-04-13","2009-04-13","2009-04-13","","",""],"acceptanceDateTime":["2026-08-06T18:38:00.000Z","2026-05-05T16:07:10.000Z","2026-02-26T20:55:19.000Z","2025-11-04T21:26:23.000Z","2025-08-07T16:00:24.000Z","2025-05-05T19:27:05.000Z","2025-02-26T21:39:45.000Z","2024-11-04T16:28:40.000Z","2024-08-05T16:30:57.000Z","2024-05-03T16:25:12.000Z","2024-02-26T19:59:28.000Z","2023-11-06T19:42:47.000Z","2023-08-04T15:45:22.000Z","2023-05-08T20:15:25.000Z","2023-02-27T21:27:35.000Z","2022-11-07T20:26:21.000Z","2022-08-08T15:31:26.000Z","2022-05-10T17:32:39.000Z","2022-02-28T21:23:21.000Z","2021-11-08T20:04:24.000Z","2021-08-09T19:28:21.000Z","2021-05-10T19:31:18.000Z","2021-03-02T20:33:06.000Z","2020-11-09T19:18:07.000Z","2020-08-10T17:54:32.000Z","2020-05-13T19:17:37.000Z","2020-03-03T21:16:41.000Z","2019-11-05T20:42:55.000Z","2019-08-06T18:47:18.000Z","2019-05-10T20:16:52.000Z","2019-03-01T20:48:06.000Z","2018-11-09T19:33:01.000Z","2018-08-10T18:15:39.000Z","2018-05-11T15:49:32.000Z","2018-03-09T21:47:40.000Z","2017-11-07T21:47:07.000Z","2017-08-08T20:56:47.000Z","2017-05-10T17:39:53.000Z","2017-03-02T19:01:28.000Z","2016-11-08T21:55:27.000Z","2016-08-09T20:31:17.000Z","2016-05-10T21:14:37.000Z","2016-02-29T21:13:13.000Z","2015-10-29T20:53:28.000Z","2015-07-28T20:12:01.000Z","2015-04-30T16:18:43.000Z","2015-02-26T19:26:17.000Z","2014-10-23T15:16:57.000Z","2014-07-31T14:15:41.000Z","2014-05-01T17:47:27.000Z","2014-03-04T19:28:00.000Z","2013-10-29T17:55:03.000Z","2013-08-01T18:40:33.000Z","2013-05-29T16:58:22.000Z","2013-05-02T17:31:42.000Z","2013-03-05T20:56:40.000Z","2012-11-05T19:44:15.000Z","2012-08-02T19:00:43.000Z","2012-05-01T23:23:41.000Z","2012-03-01T20:50:31.000Z","2011-11-01T19:16:10.000Z","2011-07-28T16:51:41.000Z","2011-05-03T21:29:38.000Z","2011-04-15T13:33:12.000Z","2011-03-22T18:25:42.000Z","2011-03-16T14:30:34.000Z","2011-03-04T19:09:09.000Z","2011-03-01T21:16:16.000Z","2011-02-11T20:03:01.000Z","2011-01-25T22:24:11.000Z","2011-01-11T22:06:44.000Z","2011-01-06T19:32:44.000Z","2010-12-28T21:34:10.000Z","2010-12-17T16:21:49.000Z","2010-12-10T21:49:20.000Z","2010-10-28T21:49:18.000Z","2010-08-23T20:11:31.000Z","2010-07-26T20:42:29.000Z","2010-05-20T20:57:26.000Z","2010-05-10T21:22:56.000Z","2010-04-27T20:15:47.000Z","2010-03-19T21:05:29.000Z","2010-03-19T21:03:34.000Z","2010-02-24T22:25:13.000Z","2009-10-26T22:07:06.000Z","2009-07-23T21:47:19.000Z","2009-07-08T22:20:25.000Z","2009-06-29T16:01:28.000Z","2009-06-18T20:28:22.000Z","2009-05-26T19:58:58.000Z","2009-05-22T19:05:05.000Z","2009-05-21T22:02:54.000Z","2009-04-13T21:06:13.000Z","2009-04-13T21:04:31.000Z","2009-04-13T21:02:45.000Z","2009-04-13T21:00:47.000Z","2009-04-02T20:33:19.000Z","2009-03-30T20:58:26.000Z","2009-03-04T23:11:15.000Z"],"act":["34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","","34","34","","34","34","","34","","34","34","34","34","34","34","34","34","34","34","34","34","","","34","","","34","","","","","","","34"],"form":["10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","8-K","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","8-K","DEF 14A","UPLOAD","10-K","PRER14A","UPLOAD","PRER14A","PRER14A","UPLOAD","8-K","3/A","PRE 14A","10-Q","10-K/A","10-Q","8-K","8-K","10-Q","8-K","DEFA14A","10-K","10-Q","10-Q","3","UPLOAD","8-K","UPLOAD","CORRESP","10-Q","3","3","3","3","CORRESP","UPLOAD","10-12G"],"fileNumber":["000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","","000-53591","000-53591","","000-53591","000-53591","","000-53591","","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","000-53591","","","000-53591","","","000-53591","","","","","","","000-53591"],"filmNumber":["261248298","26941621","26687414","251449551","251192643","25912608","25670786","241421536","241173865","24911851","24677431","231379529","231142832","23897939","23675351","221365191","221143195","22908706","22690013","211387609","211156239","21906756","21703192","201297099","201088689","20872849","20682460","191193115","191001632","19815138","19649007","181172611","181008303","18825800","18680727","171183997","171015510","17829533","17658055","161981878","161818387","161636840","161467868","151184356","151009826","15816452","15651758","141169200","141004916","14803885","14663956","131175750","131002304","13877465","13806909","13665582","121179653","121003134","12802281","12657231","111171188","11992688","11807232","11761176","11703648","","11663783","11651808","","11547229","11523578","","101276200","","101245490","101149217","101032671","10969690","10848426","10817716","10773649","10694780","10694770","10630699","091137697","09960189","","","09899041","","","09846400","","","","","","","09656746"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","2.06","","","","","","","","","","5.07","","","","","","","","","2.06","","","","","","2.06","2.06","","8.01,9.01","","","","","","","2.06","","","","","","","","","",""],"core_type":["XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","8-K","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","8-K","DEF 14A","LETTER","10-K","PRER14A","LETTER","PRER14A","PRER14A","LETTER","8-K","3/A","PRE 14A","10-Q","10-K/A","10-Q","8-K","8-K","10-Q","8-K","DEFA14A","10-K","10-Q","10-Q","3","LETTER","8-K","LETTER","CORRESP","10-Q","3","3","3","3","CORRESP","LETTER","10-12G"],"size":[1892998,1640412,3242158,2008453,1817233,1867083,3498173,1600428,1536001,1404325,3105399,1584456,1518154,1424226,2806373,1504187,1494636,1365977,3283754,1728555,1663473,1160418,2339481,1080103,1059122,989833,2302208,1015872,1026829,921758,2270005,1080038,1008998,1131234,2690340,1204860,1140154,1068058,2629479,1255854,1176456,1345813,3420804,1598640,1599589,1596453,4267255,1752312,1726506,1560153,4013225,2307712,2917700,18280,1785965,4372008,2072485,2035623,1414369,2685850,1553668,1560859,916072,27867,249198,44627,1155986,504891,55655,493898,491902,60885,19859,4178,263339,542245,559080,545331,20193,19281,463142,113005,112925,1444159,601142,553095,3160,45668,22673,70828,40527,531679,3942,3171,3164,3278,60814,66819,2101646],"isXBRL":[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[1,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["x720261010q.htm","x41726110q.htm","x13026010k.htm","x101425910q.htm","x71425010q.htm","x41125010q.htm","x2325010k.htm","x101124010q.htm","x71524910q.htm","x41224110q.htm","x13024010k.htm","x101823010q.htm","x71723010q.htm","x42023010q.htm","x12523810k.htm","x101922010q.htm","x72022010q.htm","x42022010q.htm","ridg10krexf2021.htm","ridg10qrexf0921.htm","ridg10qrexf2021.htm","x5321210q.htm","x2162110k.htm","x103020010q.htm","x73020810q.htm","x5420810q.htm","x21820910k.htm","x102919410q.htm","x72919010q.htm","x43019010q.htm","x21819510k.htm","x103018110q.htm","x8118010q.htm","x5118210q.htm","x21318010k.htm","x111017810q.htm","x8417010q.htm","x5517010q.htm","x1917010k.htm","x11116010q.htm","x8916010q.htm","x5316010q.htm","x21716010k.htm","x91015010q.htm","x72315410q.htm","n42715010q.htm","x21815010k.htm","a101714110q.htm","c72414010q.htm","c42414010q.htm","x21914010k.htm","j102413010q.htm","g72513010q.htm","m5281318k.htm","g42513110q.htm","a22813010k.htm","f103112010q.htm","x73012010q.htm","f43012110q.htm","s22812010k.htm","a102511010q.htm","d72511110q.htm","d42811010q.htm","x4141128k.htm","x321110def14a.htm","filename1.pdf","c22211110k.htm","x224112prer14a2.htm","filename1.pdf","x121110prer14a1.htm","x111111prer14a.htm","filename1.pdf","x12181018k.htm","xslF345X02/c1216104f3a.xml","x129101pre14a.htm","c102610310q.htm","f82210210ka1.htm","b72210110q.htm","a5201018k.htm","x5101018k.htm","m42510010q.htm","m3181008k.htm","m3181008k.htm","f21710010k.htm","m1119010q.htm","c7229010q.htm","xslF345X02/f7698f3_ex.xml","filename1.pdf","m618928k.htm","filename1.pdf","filename1.htm","c5209010q.htm","xslF345X02/c4793f3_ex.xml","xslF345X02/c4792f3_ex.xml","xslF345X02/c4790f3_ex.xml","xslF345X02/c4791f3_ex.xml","filename1.htm","filename1.pdf","s1269110.htm"],"primaryDocDescription":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2016","FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2016","FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2016","FOR THE FISCAL YEAR ENDED DECEMBER 31, 2015","FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2015","FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2015","FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2015","FOR THE FISCAL YEAR ENDED DECEMBER 31, 2014","FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2014","FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2014","FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2014","FOR THE FISCAL YEAR ENDED DECEMBER 31, 2013","FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2013","FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2013","","FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2013","FOR THE FISCAL YEAR ENDED DECEMBER 31, 2012","FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2012","FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2012","FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2012","FOR THE FISCAL YEAR ENDED DECEMBER 31, 2011","FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2011","FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2011","FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2011","","","","FOR THE FISCAL YEAR ENDED DECEMBER 31, 2010","AMENDMENT NO. 2","","AMENDMENT NO. 1","","","","","","FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2010","FOR THE FISCAL YEAR ENDED DECEMBER 31, 2009 AMENDMENT NO. 1","FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2010","","","FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2010","","","FOR THE FISCAL YEAR ENDED DECEMBER 31, 2009","FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2009","FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2009","","","","","","FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2009","","","","","","",""]},"files":[]}}