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OTTAWA (AP) _ Craig Conroy scored twice and assisted on Jarome Iginla's game-tying goal in the third period as the Calgary Flames tied the Ottawa Senators 4-4 Thursday night.

Iginla also assisted on both of Conroy's goals to extend his league-best scoring streak to 15 games.

The tie allowed both teams to extend lengthy unbeaten streaks.

Ottawa tied a team-record by extending its league-best streak to 11 games.

Calgary's 10-game streak is the second-longest in the NHL this season.

Conroy, who opened the scoring at 5:42 of the first, scored his ninth of the season 6:25 into the third to draw the Flames to within one, just 39 seconds after Chris Phillips scored his second of the game to put Ottawa ahead 4-2.

Iginla tied the game at 9:22 when he tipped Dean McAmmond's shot past goalie Patrick Lalime for his league-leading 19th goal of the season.

Calgary held a 31-29 edge in shots, including a 6-5 margin in overtime.

After Conroy's first goal put Calgary up 1-0, Martin Havlat scored his ninth on a wrist shot from the slot that trickled through Roman Turek's pads and over the goal line to tie the game 7:25 into the first.

Rob Niedermayer scored his first goal in 16 games 2:58 into the second to restore the Flames' one-goal lead.

Phillips scored 8:56 into the second to tie the game at 2 and Daniel Alfredson gave Ottawa its first lead of the game with his 11th goal 1:45 into the third.

Phillips added his fourth _ and second of the game _ on a power-play at 5:46.

Notes: Calgary has a 4-2-2 road record. ... Iginla has 31 points _ 18 goals and 13 assists _ over the course of his streak. ... Ottawa went 8-0-3 over the course of its first 11-game unbeaten streak, set from Dec. 28, 1998 to Jan. 16, 1999.