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Class Information
Number: 507
Name: Earth boring, well treating, and oil field chemistry >
Description: Compositions of matter for use in earth boring, well treating, or preventing contaminant deposits in petroleum oil conduits having or not having structure, physical form, or heterogeneous arrangement of components.










Class Number Class Name No. of Patents
507/933

Acidizing or formation destroying

185
507/934

With inhibitor

102
507/920

Biocidal

35
507/925

Completion or workover fluid

242
507/902

Controlled release agent

119
507/939

Corrosion inhibitor

247
507/903

Crosslinked resin or polymer

312
507/910

Earth boring fluid devoid of discrete aqueous phase

50
507/100

Earth boring

56
507/101

Contains enzyme or living microorganism

18
507/140

Contains inorganic component other than water or clay

282
507/142

Inorganic component contains phosphorous

19
507/141

Inorganic component contains soluble potassium salt

56
507/144

Inorganic component is asbestos

2
507/143

Inorganic component is elemental metal or alloy

33
507/145

Inorganic component is soluble in boring medium

112
507/102

Contains intended gaseous phase at entry into wellbore

57
507/103

Contains organic component

227
507/137

Organic component contains a carbocyclic group (e.g., cyclic alkyl, aromatic, tall oil, etc.)

79
507/139

Organic component contains an alcohol group

155
507/136

Organic component contains ether linkage (e.g., peg ether, etc.)

216
507/105

Organic component contains fluorine bonded directly to carbon

7
507/129

Organic component contains nitrogen attached directly or indirectly to carbon by nonionic bonding

178
507/130

Nitrogen is part of a hetero ring

67
507/131

Oxygen is attached directly or indirectly to carbon by nonionic bonding

172
507/132

Organic component contains a nitrogen attached directly to oxygen by nonionic bonding (e.g., nitroaromatic, amineoxide, etc.)

24
507/133

Organic component contains an ether linkage

53
507/128

Organic component contains phosphorous attached directly or indirectly to carbon by nonionic bonding

87
507/127

Organic component contains silicon attached directly or indirectly to carbon by nonionic bonding

39
507/134

Organic component contains sulfur attached directly or indirectly to carbon by nonionic bonding

50
507/135

Organic component contains a sulfur attached directly to carbon by nonionic bonding (e.g., sulfonate, etc.)

115
507/138

Organic component is a fat, fatty alcohol, fatty oil, ester-type wax, fatty still residue, or higher fatty acid or salt thereof

193
507/126

Organic component is asphalt or a component or derivative thereof

37
507/110

Organic component is carbohydrate or derivative thereof (e.g., sugar or gum, such as galactomannan, xanthan, etc.) or carboxylic acid ester of an alcohol which has five or more hydroxy groups bonded directly to carbons

242
507/112

Carbohydrate is cellulose or derivative thereof

96
507/113

Carboxyalkylcellulose (e.g., cmc, cmhec, etc.)

102
507/114

Hydroxyalkylcellulose (e.g., hec, etc.)

115
507/115

Carbohydrate is hydroxyalkyl ether derivative (e.g., hpg, etc.)

36
507/111

Carbohydrate is starch or derivative thereof

111
507/116

Ester is higher fatty or carboxylic acid ester (e.g., sorbitan oleate, etc.)

27
507/104

Organic component is cellular or fibrous material derived from plant or animal source (e.g., wood, nutshell, paper, leather, cotton, etc.)

67
507/106

Organic component is lignin or humate or derivative thereof (e.g., tannin, quebracho extract, etc.)

40
507/107

Humate component is fossilized (e.g., lignite, leonardite, brown coal, etc.)

72
507/108

Lignin or humate component contains sulfur or is reacted with substance containing sulfur (e.g., lignosulfonate, etc.)

63
507/109

Includes metal compound other than an alkali or alkaline earth metal compound (e.g., al, cr, fe, mn, cu, etc.)

43
507/117

Organic component is solid synthetic resin

121
507/118

Resin is polymer derived from ethylenic monomers only (e.g., maleic, itaconic, etc.)

142
507/125

Carbocyclic ring is attached directly or indirectly to the ethylenic monomer by nonionic bonding (e.g., styrene, vinyl toluene, etc.)

56
507/123

Hetero nitrogen ring is attached directly or indirectly to the ethylenic monomer by nonionic bonding

38
507/124

Polymer contains vinyl alcohol unit

50
507/119

Polymer derived from acrylic acid monomer or derivative

175
507/120

Nitrogen is attached directly or indirectly to the acrylic acid monomer or derivative by nonionic bonding (e.g., acrylamide, acrylonitrile, etc.)

214
507/121

Sulfur is attached directly or indirectly to the acrylic acid monomer or derivative by nonionic bonding (e.g., acrylamidoalkane sulfonates, etc.)

96
507/122

Sulfur is attached directly or indirectly to the ethylenic monomer by nonionic bonding

75
507/935

Enhanced oil recovery

154
507/936

Flooding the formation

567
507/937

With emulsion

45
507/938

With microemulsion

92
507/922

Fracture fluid

438
507/923

Fracture acidizing

67
507/924

With specified propping feature

136
507/940

Freeing stuck object from wellbore

26
507/907

Indicating means (e.g., dye, fluorescing agent, etc.)

17
507/905

Nontoxic composition

72
507/901

Organically modified inorganic solid

67
507/926

Packer fluid

94
507/90

Preventing contaminant deposits in petroleum oil conduits

204
507/904

Process of making fluids or additives therefor

147
507/906

Solid inorganic additive in defined physical form

92
507/921

Specified breaker component for emulsion or gel

140
507/927

Well cleaning fluid

177
507/929

Cleaning organic contaminant

43
507/930

Organic contaminant is asphaltic

37
507/931

Organic contaminant is paraffinic

56
507/932

Cleaning sulfur deposits

29
507/928

Spacing slug or preflush fluid

75
507/200

Well treating

67
507/201

Contains enzyme or living micro-organism

77
507/269

Contains inorganic component other than water or clay

500
507/275

Inorganic component contains arsenic or antimony

21
507/273

Inorganic component contains boron

99
507/272

Inorganic component contains copper or zinc

68
507/274

Inorganic component contains phosphorous

36
507/276

Inorganic component contains potassium

83
507/271

Inorganic component contains ti, zr, v, cr, mn, fe, or ni

190
507/270

Inorganic component is elemental metal or alloy

34
507/277

Inorganic component is soluble in the well treating medium

263
507/202

Contains intended gaseous phase at entry into wellbore

244
507/203

Contains organic component

303
507/263

Organic component contains a carbocyclic group (e.g., cycloaliphatic, aromatic ring, tall oil, etc.)

147
507/264

Organic component is a phenol

53
507/268

Organic component contains a carbonyl group (e.g., aldehyde, ketone, etc.)

145
507/266

Organic component contains an alcohol group

425
507/267

Organic component contains carboxylic acid, ester, or salt thereof

377
507/261

Organic component contains ether linkage (e.g., peg ether, etc.)

458
507/262

Organic component contains a carbocyclic group

156
507/205

Organic component contains fluorine bonded directly to carbon

59
507/239

Organic component contains nitrogen attached directly or indirectly to carbon by nonionic bonding

145
507/242

Nitrogen is part of a hetero ring

97
507/243

Plural heteroatoms in the ring

106
507/248

Organic component consists only of carbon, hydrogen, and nitrogen

71
507/249

Organic component contains carbon double or triple bonded to nitrogen (e.g., cyano, nitrilo, etc.)

19
507/250

Organic component is acyclic

40
507/251

Organic component contains plural nitrogen atoms attached directly or indirectly to carbon by nonionic bonding

39
507/241

Organic component contains plural carboxylic acid, ester, or salt groups attached directly or indirectly to nitrogen by nonionic bonding

162
507/240

Organic component is quaternary ammonium salt

345
507/244

Oxygen is attached directly or indirectly to carbon by nonionic bonding

406
507/245

Organic component contains a nitrogen attached directly to oxygen by nonionic bonding (e.g., nitroaromatic, amineoxide, etc.)

100
507/246

Organic component contains an ether linkage

160
507/247

Sulfur is attached directly or indirectly to carbon by nonionic bonding

44
507/235

Organic component contains phosphorus attached directly or indirectly to carbon by nonionic bonding

53
507/237

Organic component contains a direct carbon to phosphorous nonionic bond (e.g., phosphonate, etc.)

99
507/236

Organic component contains nitrogen attached directly or indirectly to carbon by nonionic bonding

92
507/238

Organic component is a phosphate ester

139
507/233

Organic component contains silicon attached directly or indirectly to carbon by nonionic bonding

38
507/234

Organic component contains a direct carbon to silicon bond

73
507/252

Organic component contains sulfur attached directly or indirectly to carbon by nonionic bonding

58
507/256

Organic component contains a sulfur attached directly to carbon by nonionic bonding

66
507/258

Alkyl and hydrogen attached directly to the same sulfur atom or to a chain of sulfur atoms by nonionic bonding

40
507/257

Plural alkyls attached directly to the same sulfur atom or to a chain of sulfur atoms by nonionic bonding

37
507/259

The sulfur is part of a sulfonate group

351
507/253

Organic component contains ether linkage (i.e., c-o-c)

21
507/254

The sulfur is part of a sulfate group

143
507/255

The sulfur is part of a sulfonate group

169
507/265

Organic component is a fat, fatty alcohol, fatty oil, ester-type wax, fatty still residue, or higher fatty acid or salt thereof

215
507/232

Organic component is asphalt or a component or derivative thereof

20
507/209

Organic component is carbohydrate or derivative thereof (e.g., sugar or gum, such as galactomannan, etc.) or carboxylic acid ester of an alcohol which has five or more hydroxy groups bonded directly to carbons

192
507/210

Carbohydrate has been grafted onto solid synthetic resin

9
507/211

Carbohydrate is polysaccharide

457
507/213

Polysaccharide is a xanthan (e.g., scleroglucans, etc.)

233
507/214

Polysaccharide is cellulose or derivative thereof

116
507/215

Carboxyalkylcellulose (e.g., cmc, cmhec, etc.)

170
507/216

Hydroxyalkylcellulose (e.g., hec, etc.)

213
507/217

Polysaccharide is hydroxyalkyl ether derivative (e.g., hpg, etc.)

155
507/212

Polysaccharide is starch or derivative thereof

98
507/218

Ester is higher fatty or carboxylic acid ester (e.g., sorbitan oleate, etc.)

32
507/204

Organic component is cellular or fibrous material derived from plant or animal source (e.g., wood, nutshell, paper, leather, cotton, etc.)

79
507/206

Organic component is lignin or humate or derivative thereof (e.g., tannin, quebracho extract, etc.)

47
507/207

Lignin or humate component contains sulfur or is reacted with substance containing sulfur (e.g., lignosulfonate, etc.)

87
507/208

Includes metal compound other than an alkali or alkaline earth metal compound (e.g., al, cr, fe, mn, cu, etc.)

14
507/260

Organic component is polycarboxylic acid, ester, or salt thereof

261
507/219

Organic component is solid synthetic resin

347
507/221

Resin is polymer derived from ethylenic monomers only (e.g., maleic, itaconic, etc.)

204
507/231

Carbocyclic ring is attached directly or indirectly to the ethylenic monomer by nonionic bonding (e.g., styrene, vinyl toluene, etc.)

69
507/229

Hetero nitrogen ring is attached directly or indirectly to the ethylenic monomer by nonionic bonding

89
507/230

Polymer contains vinyl alcohol unit

75
507/224

Polymer derived from acrylic acid monomer or derivative

288
507/225

Nitrogen is attached directly or indirectly to the acrylic acid monomer or derivative by nonionic bonding (e.g., acrylamide, acrylonitrile, etc.)

454
507/226

Sulfur is attached directly or indirectly to the acrylic acid monomer or derivative by nonionic bonding (e.g., acrylamidoalkane sulfonates, etc.)

154
507/222

Polymer derived from monomer having quaternary ammonium group

117
507/223

Nitrogen of the quaternary ammonium group is a member of a hetero ring

23
507/227

Sulfur is attached directly or indirectly to the ethylenic monomer by nonionic bonding

54
507/228

Monomer contains benzene ring and sulfonate group

39
507/220

Resin is polymer derived from phenolic and aldehydic monomers

62
 
 
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