Wellbore Treatment Fluids

Specialized fluid compositions, including additives and inhibitors, used in oil and gas exploration and production for purposes like drilling, fracturing, cementing, corrosion inhibition, and formation stimulation.

4,506 US filings from 763 companies since 2023 · 2023: 1,294 · 2024: 1,458 · 2025: 1,280 · 2026 YTD: 474

Functional Materials (LCD, Lubricants)Drilling & Mining

Top companies

Ranked by filings in this theme since 2023. 2026 is partial.

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	SAUDI ARABIAN OIL COMPANY	926	272	308	278	68	-9.7%
2	Halliburton Energy Services, Inc.	689	228	198	186	77	-6.1%
3	Schlumberger Technology Corporation	386	68	97	152	69	+56.7%
4	Baker Hughes Oilfield Operations LLC	159	46	56	41	16	-26.8%
5	CHEVRON U.S.A. INC.	96	22	26	34	14	+30.8%
6	KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS	85	22	38	13	12	-65.8%
7	SOUTHWEST PETROLEUM UNIVERSITY	63	22	13	22	6	+69.2%
8	EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY	61	11	18	20	12	+11.1%
9	WEATHERFORD TECHNOLOGY HOLDINGS, LLC	52	20	16	13	3	-18.8%
10	BEIJING HUAMEI, INC.	51	8	21	19	3	-9.5%
11	China National Petroleum Corporation	50	7	22	18	3	-18.2%
12	CNPC USA CORPORATION	48	8	21	16	3	-23.8%
13	ConocoPhillips Company	48	16	15	12	5	-20.0%
14	King Fahd University of Petroleum & Minerals	42	9	14	12	7	-14.3%
15	CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)	37	4	14	14	5	0.0%
16	PETRÓLEO BRASILEIRO S.A. - PETROBRAS	37	11	10	12	4	+20.0%
17	Kerr Machine Co.	36	6	13	13	4	0.0%
18	ARAMCO SERVICES COMPANY	32	7	11	13	1	+18.2%
19	CARBO CERAMICS INC.	30	6	10	4	10	-60.0%
20	Dow Global Technologies LLC	29	6	13	10	·	-23.1%
21	CHINA PETROLEUM & CHEMICAL CORPORATION	26	5	11	5	5	-54.5%
22	DORF KETAL CHEMICALS FZE	26	2	11	6	7	-45.5%
23	CHAMPIONX LLC	25	·	7	11	7	+57.1%
24	FMC Technologies, Inc.	25	8	8	7	2	-12.5%
25	Cameron International Corporation	21	8	8	2	3	-75.0%