wellheadn.

Brit.

/ˈwɛlhɛd/, U.S.

/ˈwɛlˌhɛd/

Forms: see well n.¹ and head n.¹

Origin: Formed within English, by compounding. Etymons: well n.¹, head n.¹

Etymology: < well n.¹ + head n.¹ Compare head well n. at head n.¹ Compounds 4.

a. The place at which a spring breaks out of the ground; the headspring or source of a stream or river. Also in plural: headwaters. Cf. well n.¹ 1a, head n.¹ 38a. Now somewhat rare.

ΘΚΠ

the world > the earth > water > rivers and streams > system > [noun] > head or source

headeOE

wellspringOE

springOE

uptaking1241

head wella1325

wellheadc1330

sourcec1386

headspringa1398

headstreama1398

risinga1398

surge1523

springhead?a1560

head fountain1563

water head1567

fountainhead1585

headwater1612

fill1622

water source1651

urn1726

vomica1838

sponge-swamp1901

c1330 (c1250) Floris & Blauncheflur (Auch.) (1966) l. 310 (MED) At þe welle heued [a1400 Egerton walles hed] þer stant a tre.

?1340–1 in J. T. Fowler Extracts Acct. Rolls Abbey of Durham (1899) II. 539 In structura unius domuncule..supra le Welleheued, 23s. 6d.

a1398 J. Trevisa tr. Bartholomaeus Anglicus De Proprietatibus Rerum (BL Add. 27944) (1975) I. xiii. iii. 651 Euery ryuer..spryngeþ oute in welle heuedes.

c1400 (?c1380) Cleanness (1920) l. 428 (MED) Towalten alle þyse welle-hedez, and þe water flowed.

c1450 ( J. Walton tr. Boethius De Consol. Philos. (Linc. Cathedral 103) 287 (MED) Tygris and eke eufrates spryngen boþe..Out of a welle hede.

1574 in J. Anderson Cal. Laing Charters (1899) 225 Vp the face of the hill to ane lang veit welheid onder the craigis.

1590 E. Spenser Faerie Queene ii. ii. sig. N8^v Great Dame Nature, from whose fruitfull pap Their welheads spring.

a1628 J. Preston New Covenant (1629) 160 There would be different streames, there would be divers well-heads.

1731 P. Shaw Hoffman's New Exper. & Observ. Mineral Waters i. 22 The Waters of cold Springs..being drank at the Well-head, are allowed to be much more efficacious than when carried to any Distance.

1789 W. Gilpin Observ. River Wye (ed. 2) vi. 74 Within a quarter of a mile of the well-head of the Wye, arises the Severn.

1832 Ld. Tennyson Eleänore in Poems (new ed.) 26 From old wellheads of haunted rills.

1838 T. Arnold Hist. Rome I. xi. 195 By the well-head of the water of Ferentina.

1880 W. H. D. Adams Eastern Archipel. i. v. 151 We..cross a multitude of little streams which feed the larger river.., until we reach its wellheads.

1909 A. Lambourne Our Inland Sea v. 68 By the well-heads of the stream will grow Parry's Primula.

1998 Herald Express (Torquay) (Nexis) 22 May 26 Devil's Bridge, not far from the wellhead of the River Meavy.

†b. Scottish. A spring which supplies and maintains an area of marshy or boggy land. Obsolete.

ΘΚΠ

the world > the earth > water > spring > [noun] > in a marsh

well-eyec1540

wellhead1816

1816 W. Scott Old Mortality ii, in Tales of my Landlord 1st Ser. III. 33 The charger on which he was mounted plunged up to the saddle-girths in a well-head, as they call the springs which supply the marshes.

1862 G. J. Whyte-Melville Queen's Maries xxxi The horse..had got bogged up to the girths in a well-head, as those particularly soft pieces of morass are called, which abound on the Scottish moorland.

1884 T. Speedy Sport in Highlands xvii. 299 Extensive unfrozen marshes, abounding in ‘well-heads’.

2. figurative. A primary source or origin of something. Cf. fountainhead n. 2, head n.¹ 38b.Frequently as part of an extended metaphor.

ΘΚΠ

the world > existence and causation > causation > source or origin > [noun]

welleOE

mothereOE

ordeOE

wellspringeOE

fathereOE

headeOE

oreOE

wellspringOE

rootc1175

morea1200

beginningc1200

head wella1325

sourcec1374

principlea1382

risinga1382

springinga1382

fountain14..

springerc1410

nativity?a1425

racinea1425

spring1435

headspring?a1439

seminaryc1440

originationc1443

spring wellc1450

sourdre1477

primordialc1487

naissance1490

wellhead?1492

offspringa1500

conduit-head1517

damc1540

springhead1547

principium1550

mint1555

principal1555

centre1557

head fountain1563

parentage1581

rise1589

spawna1591

fount1594

parent1597

taproot1601

origin1604

fountainhead1606

radix1607

springa1616

abundary1622

rist1622

primitive1628

primary1632

land-spring1642

extraction1655

upstart1669

progenerator1692

fontala1711

well-eye1826

first birth1838

ancestry1880

Quelle1893

?1492 tr. Reuelacions St. Elysabeth of Hungarye (de Worde) sig. qij^v/2 I lerned..that the wellhede & begynnynge of all good is for to loue god wyth all the herte and wyth all the strengthes.

1542 A. Borde Compend. Regyment Helth Pref. sig. A.ij I..beynge at the well hed of Physycke [sc. at Montpellier].

1587 Sir P. Sidney & A. Golding tr. P. de Mornay Trewnesse Christian Relig. ii. 18 The Veynes are spred foorth throughout the whole bodie, howbeit from one welhead, that is to say from the Liuer.

1596 E. Spenser Second Pt. Faerie Queene v. ix. sig. T8 Or that he likened was to a welhed Of euill words, and wicked sclaunders by him shed.

1638 F. Junius Painting of Ancients 309 We must suffer our understanding to be directed to the well-head of the history it selfe.

1654 Pagitt's Heresiogr. (ed. 5) 141 Oxford, and Cambridge two Well-heads of Divinity.

a1707 S. Willard Brief Sacramental Medit. in Andros Tracts (1711) I. ii. 9 That I may dwell at this Well head of Grace and Glory, and live upon this fountain of living Waters.

1784 H. More Let. 20 Oct. in A. Yearsley Poems Var. Subj. (1787) p. vi It has been denied to her to drink at the pure well-head of Pagan Poesy.

1820 W. Hazlitt Lect. Dramatic Lit. 20 It was the spring, the well-head from which every thought and feeling gushed into act.

1843 G. Borrow Bible in Spain I. iii. 55 The Bible, which is the well-head of all that is useful and conducive to the happiness of society.

1890 Spectator 28 June The County Council..had better endeavour to find some well-head of money which has hitherto remained untapped.

1914 E. Sichel Renaissance x. 250 The Renaissance was the wellhead of revival; at that source we can still drink to-day.

2001 M. Hughes & R. Stradling Eng. Musical Renaissance (ed. 2) i. ii. 63 In the 1890s, the Elgars made several trips..to Bayreuth to drink deep at the well-head of Wagnerism.

a. The top of a well from which water is drawn; the structure erected over this.

ΘΚΠ

the world > the earth > water > lake > pool > [noun] > well > top of

wellhead1613

1613 J. Saris Jrnl. in Voy. Japan (1900) 133 At euery fiftie paces there is a Well-head, fitted very substantially of free-stone, with buckets for the neighbours to fetch water.

1850 C. MacFarlane Turkey & its Destiny II. xxvii. 461 Hard by there was a well-head made of an ancient pedestal.

1891 Amer. Architect & Building News 31 Jan. 71/1 There is no reason for believing that the earliest well-heads were..brought from other countries.

1908 W. C. Green Old Cottages Surrey 69 Fig. 102 shows one of these well heads with a rough roof over it.

1958 G. Greene Our Man in Havana ii. 78 An open door gave on to a patio, a palm tree and a well-head of wrought iron.

2007 K. Witynski & J. P. Carr Hacienda Courtyards 97 Stone wellheads..are being retooled to become elegantly simple fountains.

b. A place where oil, gas, or another mined material is extracted from the ground through a well; a structure placed above an oil or gas well to regulate extraction. Frequently attributive.

ΘΚΠ

society > occupation and work > equipment > oil and natural gas recovery equipment > [noun] > structure or equipment above ground or water

wellhead1870

blowout preventer1916

pipe rack1948

topside1982

1870 Amer. Chemist Dec. 202/1 In well No. 2..the gas chamber was opened on the 1st of March... A pipe two inches in the clear is set in the well-head, and from this a constant stream of illuminating gas is now escaping.

1902 Jrnl. Geol. (Chicago) 10 835 The well head is at the horizon of the Meigs Creek coal.

1930 W. H. Osgood Increasing Recov. Petroleum II. xvii. 706 Well-head connections or Christmas trees..operating a well on the lift.

1949 Our Industry (Anglo-Iranian Oil Co.) (ed. 2) ii. 66 It is..necessary to extract the gas from the oil at the well head.

1972 L. M. Harris Introd. Deepwater Floating Drilling Operations ix. 93 The wellhead is installed on top of, and run with, the conductor pipe.

1981 A. G. Collins in J. L. Johnson et al. Water for Subsurface Injection 35 An instrument was designed to do rapid and accurate brine analysis at the wellhead.

1983 Fortune 13 June 60/2 For each $1 drop in the wellhead price, producers' net income falls only 25 cents.

2012 Guardian 10 Sept. 20/1 The dome, known as a ‘capping stack’, would be dropped over any stricken wellhead.

This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021).

单词	wellhead
释义	wellheadn. Brit. /ˈwɛlhɛd/, U.S. /ˈwɛlˌhɛd/ Forms: see well n.¹ and head n.¹ Origin: Formed within English, by compounding. Etymons: well n.¹, head n.¹ Etymology: < well n.¹ + head n.¹ Compare head well n. at head n.¹ Compounds 4. 1. a. The place at which a spring breaks out of the ground; the headspring or source of a stream or river. Also in plural: headwaters. Cf. well n.¹ 1a, head n.¹ 38a. Now somewhat rare. ΘΚΠ the world > the earth > water > rivers and streams > system > [noun] > head or source headeOE wellspringOE springOE uptaking1241 head wella1325 wellheadc1330 sourcec1386 headspringa1398 headstreama1398 risinga1398 surge1523 springhead?a1560 head fountain1563 water head1567 fountainhead1585 headwater1612 fill1622 water source1651 urn1726 vomica1838 sponge-swamp1901 c1330 (c1250) Floris & Blauncheflur (Auch.) (1966) l. 310 (MED) At þe welle heued [a1400 Egerton walles hed] þer stant a tre. ?1340–1 in J. T. Fowler Extracts Acct. Rolls Abbey of Durham (1899) II. 539 In structura unius domuncule..supra le Welleheued, 23s. 6d. a1398 J. Trevisa tr. Bartholomaeus Anglicus De Proprietatibus Rerum (BL Add. 27944) (1975) I. xiii. iii. 651 Euery ryuer..spryngeþ oute in welle heuedes. c1400 (?c1380) Cleanness (1920) l. 428 (MED) Towalten alle þyse welle-hedez, and þe water flowed. c1450 ( J. Walton tr. Boethius De Consol. Philos. (Linc. Cathedral 103) 287 (MED) Tygris and eke eufrates spryngen boþe..Out of a welle hede. 1574 in J. Anderson Cal. Laing Charters (1899) 225 Vp the face of the hill to ane lang veit welheid onder the craigis. 1590 E. Spenser Faerie Queene ii. ii. sig. N8^v Great Dame Nature, from whose fruitfull pap Their welheads spring. a1628 J. Preston New Covenant (1629) 160 There would be different streames, there would be divers well-heads. 1731 P. Shaw Hoffman's New Exper. & Observ. Mineral Waters i. 22 The Waters of cold Springs..being drank at the Well-head, are allowed to be much more efficacious than when carried to any Distance. 1789 W. Gilpin Observ. River Wye (ed. 2) vi. 74 Within a quarter of a mile of the well-head of the Wye, arises the Severn. 1832 Ld. Tennyson Eleänore in Poems (new ed.) 26 From old wellheads of haunted rills. 1838 T. Arnold Hist. Rome I. xi. 195 By the well-head of the water of Ferentina. 1880 W. H. D. Adams Eastern Archipel. i. v. 151 We..cross a multitude of little streams which feed the larger river.., until we reach its wellheads. 1909 A. Lambourne Our Inland Sea v. 68 By the well-heads of the stream will grow Parry's Primula. 1998 Herald Express (Torquay) (Nexis) 22 May 26 Devil's Bridge, not far from the wellhead of the River Meavy. †b. Scottish. A spring which supplies and maintains an area of marshy or boggy land. Obsolete. ΘΚΠ the world > the earth > water > spring > [noun] > in a marsh well-eyec1540 wellhead1816 1816 W. Scott Old Mortality ii, in Tales of my Landlord 1st Ser. III. 33 The charger on which he was mounted plunged up to the saddle-girths in a well-head, as they call the springs which supply the marshes. 1862 G. J. Whyte-Melville Queen's Maries xxxi The horse..had got bogged up to the girths in a well-head, as those particularly soft pieces of morass are called, which abound on the Scottish moorland. 1884 T. Speedy Sport in Highlands xvii. 299 Extensive unfrozen marshes, abounding in ‘well-heads’. 2. figurative. A primary source or origin of something. Cf. fountainhead n. 2, head n.¹ 38b.Frequently as part of an extended metaphor. ΘΚΠ the world > existence and causation > causation > source or origin > [noun] welleOE mothereOE ordeOE wellspringeOE fathereOE headeOE oreOE wellspringOE rootc1175 morea1200 beginningc1200 head wella1325 sourcec1374 principlea1382 risinga1382 springinga1382 fountain14.. springerc1410 nativity?a1425 racinea1425 spring1435 headspring?a1439 seminaryc1440 originationc1443 spring wellc1450 sourdre1477 primordialc1487 naissance1490 wellhead?1492 offspringa1500 conduit-head1517 damc1540 springhead1547 principium1550 mint1555 principal1555 centre1557 head fountain1563 parentage1581 rise1589 spawna1591 fount1594 parent1597 taproot1601 origin1604 fountainhead1606 radix1607 springa1616 abundary1622 rist1622 primitive1628 primary1632 land-spring1642 extraction1655 upstart1669 progenerator1692 fontala1711 well-eye1826 first birth1838 ancestry1880 Quelle1893 ?1492 tr. Reuelacions St. Elysabeth of Hungarye (de Worde) sig. qij^v/2 I lerned..that the wellhede & begynnynge of all good is for to loue god wyth all the herte and wyth all the strengthes. 1542 A. Borde Compend. Regyment Helth Pref. sig. A.ij I..beynge at the well hed of Physycke [sc. at Montpellier]. 1587 Sir P. Sidney & A. Golding tr. P. de Mornay Trewnesse Christian Relig. ii. 18 The Veynes are spred foorth throughout the whole bodie, howbeit from one welhead, that is to say from the Liuer. 1596 E. Spenser Second Pt. Faerie Queene v. ix. sig. T8 Or that he likened was to a welhed Of euill words, and wicked sclaunders by him shed. View more context for this quotation 1638 F. Junius Painting of Ancients 309 We must suffer our understanding to be directed to the well-head of the history it selfe. 1654 Pagitt's Heresiogr. (ed. 5) 141 Oxford, and Cambridge two Well-heads of Divinity. a1707 S. Willard Brief Sacramental Medit. in Andros Tracts (1711) I. ii. 9 That I may dwell at this Well head of Grace and Glory, and live upon this fountain of living Waters. 1784 H. More Let. 20 Oct. in A. Yearsley Poems Var. Subj. (1787) p. vi It has been denied to her to drink at the pure well-head of Pagan Poesy. 1820 W. Hazlitt Lect. Dramatic Lit. 20 It was the spring, the well-head from which every thought and feeling gushed into act. 1843 G. Borrow Bible in Spain I. iii. 55 The Bible, which is the well-head of all that is useful and conducive to the happiness of society. 1890 Spectator 28 June The County Council..had better endeavour to find some well-head of money which has hitherto remained untapped. 1914 E. Sichel Renaissance x. 250 The Renaissance was the wellhead of revival; at that source we can still drink to-day. 2001 M. Hughes & R. Stradling Eng. Musical Renaissance (ed. 2) i. ii. 63 In the 1890s, the Elgars made several trips..to Bayreuth to drink deep at the well-head of Wagnerism. 3. a. The top of a well from which water is drawn; the structure erected over this. ΘΚΠ the world > the earth > water > lake > pool > [noun] > well > top of wellhead1613 1613 J. Saris Jrnl. in Voy. Japan (1900) 133 At euery fiftie paces there is a Well-head, fitted very substantially of free-stone, with buckets for the neighbours to fetch water. 1850 C. MacFarlane Turkey & its Destiny II. xxvii. 461 Hard by there was a well-head made of an ancient pedestal. 1891 Amer. Architect & Building News 31 Jan. 71/1 There is no reason for believing that the earliest well-heads were..brought from other countries. 1908 W. C. Green Old Cottages Surrey 69 Fig. 102 shows one of these well heads with a rough roof over it. 1958 G. Greene Our Man in Havana ii. 78 An open door gave on to a patio, a palm tree and a well-head of wrought iron. 2007 K. Witynski & J. P. Carr Hacienda Courtyards 97 Stone wellheads..are being retooled to become elegantly simple fountains. b. A place where oil, gas, or another mined material is extracted from the ground through a well; a structure placed above an oil or gas well to regulate extraction. Frequently attributive. ΘΚΠ society > occupation and work > equipment > oil and natural gas recovery equipment > [noun] > structure or equipment above ground or water wellhead1870 blowout preventer1916 pipe rack1948 topside1982 1870 Amer. Chemist Dec. 202/1 In well No. 2..the gas chamber was opened on the 1st of March... A pipe two inches in the clear is set in the well-head, and from this a constant stream of illuminating gas is now escaping. 1902 Jrnl. Geol. (Chicago) 10 835 The well head is at the horizon of the Meigs Creek coal. 1930 W. H. Osgood Increasing Recov. Petroleum II. xvii. 706 Well-head connections or Christmas trees..operating a well on the lift. 1949 Our Industry (Anglo-Iranian Oil Co.) (ed. 2) ii. 66 It is..necessary to extract the gas from the oil at the well head. 1972 L. M. Harris Introd. Deepwater Floating Drilling Operations ix. 93 The wellhead is installed on top of, and run with, the conductor pipe. 1981 A. G. Collins in J. L. Johnson et al. Water for Subsurface Injection 35 An instrument was designed to do rapid and accurate brine analysis at the wellhead. 1983 Fortune 13 June 60/2 For each $1 drop in the wellhead price, producers' net income falls only 25 cents. 2012 Guardian 10 Sept. 20/1 The dome, known as a ‘capping stack’, would be dropped over any stricken wellhead. This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021). < n.c1330
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