EDGAR Filing Documents for 0000950170-22-001780

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:

SEC Accession No. 0000950170-22-001780

Filing Date

2022-02-23

Accepted

2022-02-23 16:11:51

Documents

112

Period of Report

2021-12-31

Document Format Files

Seq	Description	Document	Type	Size
1	10-K	drq-20211231.htm iXBRL	10-K	4342407
2	EX-10.21	drq-ex10_21.htm	EX-10.21	77746
3	EX-10.22	drq-ex10_22.htm	EX-10.22	50910
4	EX-21.1	drq-ex21_1.htm	EX-21.1	40166
5	EX-23.1	drq-ex23_1.htm	EX-23.1	4847
6	EX-31.1	drq-ex31_1.htm	EX-31.1	17839
7	EX-31.2	drq-ex31_2.htm	EX-31.2	14719
8	EX-32.1	drq-ex32_1.htm	EX-32.1	8526
9	EX-32.2	drq-ex32_2.htm	EX-32.2	8569
10	GRAPHIC	img15752102_0.jpg	GRAPHIC	46007
11	GRAPHIC	img101562965_0.jpg	GRAPHIC	20660
	Complete submission text file	0000950170-22-001780.txt		17214902

Data Files

Seq	Description	Document	Type	Size
12	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT	drq-20211231_pre.xml	EX-101.PRE	522650
13	XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT	drq-20211231_lab.xml	EX-101.LAB	648123
14	XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT	drq-20211231.xsd	EX-101.SCH	83151
15	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT	drq-20211231_def.xml	EX-101.DEF	270086
16	XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT	drq-20211231_cal.xml	EX-101.CAL	87565
106	EXTRACTED XBRL INSTANCE DOCUMENT	drq-20211231_htm.xml	XML	4106360

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