Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001185185-21-000337
Filing Date
2021-03-17
Accepted
2021-03-17 14:37:02
Documents
65
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K er1220201231_10k.htm   iXBRL 10-K 1341194
2 EXHIBIT 4.1 ex_233650.htm EX-4.1 78945
3 EXHIBIT 21.1 ex_233651.htm EX-21.1 1997
4 EXHIBIT 31.1 ex_233652.htm EX-31.1 13713
5 EXHIBIT 31.2 ex_233653.htm EX-31.2 13367
6 EXHIBIT 32.1 ex_233654.htm EX-32.1 6650
7 EXHIBIT 32.2 ex_233655.htm EX-32.2 6573
8 EXHIBIT 99.1 ex_233656.htm EX-99.1 63665
14 ex_233656img001.jpg GRAPHIC 2883
  Complete submission text file 0001185185-21-000337.txt   5296226

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA energy12-20201231.xsd EX-101.SCH 46223
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE energy12-20201231_cal.xml EX-101.CAL 30090
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE energy12-20201231_def.xml EX-101.DEF 204487
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE energy12-20201231_lab.xml EX-101.LAB 359564
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE energy12-20201231_pre.xml EX-101.PRE 208500
15 EXTRACTED XBRL INSTANCE DOCUMENT er1220201231_10k_htm.xml XML 699558
Mailing Address 814 EAST MAIN ST. RICHMOND VA 23219
Business Address 814 EAST MAIN ST. RICHMOND VA 23219 (804)344-8121
ENERGY RESOURCES 12, L.P. (Filer) CIK: 0001696088 (see all company filings)

EIN.: 814805237 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-55916 | Film No.: 21750196
SIC: 1311 Crude Petroleum & Natural Gas