Global patent index - EP 0968354 A1

EP 0968354 A1 2000-01-05 - WELLHEAD DEVICE FOR RETAINING THE SOLID PARTICLES CARRIED BY THE PRODUCTION FLUID

Title (en)

WELLHEAD DEVICE FOR RETAINING THE SOLID PARTICLES CARRIED BY THE PRODUCTION FLUID

Title (de)

BOHRLOCHKOPFEINRICHTUNG ZUM AUFFANGEN VON DURCH DIE PRODUKTIONSFLÜSSIGKEIT MITGENOMMENEN FESTSTOFFPARTIKELN

Title (fr)

DISPOSITIF DE TETE DE PUITS POUR LA RETENTION DES PARTICULES SOLIDES ENTRAINEES PAR LE FLUIDE DE PRODUCTION

Publication

EP 0968354 A1 (FR)

Application

EP 98914935 A

Priority

  • FR 9800536 W
  • FR 9703269 A

Abstract (en)

[origin: FR2761109A1] The invention concerns a device comprising: a closed housing (4) to be integrated with a wellhead element (16); a lining (3) tightly fixed on the inner wall of the body (1) producing the fluid upstream of the side outlet(s) (2) provided with said valves; a cylindrical partition (9) arranged inside the housing (4) around said lining (3), from which it is separated by a second ring-shaped space (10); first openings (11) provided in the upper portion of the partition (9) above the lining (3); second openings (12) provided in the lower portion of the partition (9); and a filter (13) arranged inside the housing (4) at the periphery of the partition (9) lower portion, opposite the second openings (12), said filter (13) being arranged such that all the fluid entering through the first partition openings (11) the volume separating this partition from the housing outer portion (5) passes through the filter (13) before entering the second ring-shaped volume (10) through the partition second openings (12).

IPC 1-7 (main, further and additional classification)

E21B 43/34; B01D 29/05; E21B 33/03

IPC 8 full level (invention and additional information)

E21B 33/03 (2006.01); E21B 43/34 (2006.01)

CPC (invention and additional information)

E21B 43/34 (2013.01); E21B 33/03 (2013.01)

Citation (search report)

See references of WO 9841732A1

Designated contracting state (EPC)

GB IT NL

EPO simple patent family

FR 2761109 A1 19980925; FR 2761109 B1 19990611; AU 6924598 A 19981012; BR 9808355 A 20000523; CA 2283686 A1 19980924; EP 0968354 A1 20000105; EP 0968354 B1 20020130; NO 994516 A 19990917; NO 994516 D0 19990917; OA 11159 A 20030416; US 6263970 B1 20010724; WO 9841732 A1 19980924

INPADOC legal status

2005-03-17 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: IT

- Ref Legal Event Code: PG25

- Free Format Text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20050317

2003-12-01 [NLV4] NL: LAPSED OR ANULLED DUE TO NON-PAYMENT OF THE ANNUAL FEE

- Ref Legal Event Code: NLV4

- Effective date: 20031001

2003-11-05 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Ref Legal Event Code: GBPC

- Effective date: 20030317

2003-10-01 [PG25 NL] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: NL

- Ref Legal Event Code: PG25

- Free Format Text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20031001

2003-03-17 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: GB

- Ref Legal Event Code: PG25

- Free Format Text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20030317

2003-01-22 [26N] NO OPPOSITION FILED

- Ref Legal Event Code: 26N

2002-05-01 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Ref Legal Event Code: GBT

- Effective date: 20020410

2002-03-25 [PGFP NL] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: NL

- Ref Legal Event Code: PGFP

- Payment date: 20020325

- Year of fee payment: 5

2002-03-14 [PGFP GB] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: GB

- Ref Legal Event Code: PGFP

- Payment date: 20020314

- Year of fee payment: 5

2002-01-30 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): GB IT NL

2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

- Ref Legal Event Code: IF02

2001-08-01 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010615

2000-01-05 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19990920

2000-01-05 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): GB IT NL